All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sophia Chang

Bib: 18154 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 38%
Gender (Female)
#0 / 12578
Top 22%
Age Group (F18-39)
#0 / 5716
Top 38%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:35
3.11 mi
Rank: #10782
Start → 5K
22:35 | 7:17/mi
10K
44:58
6.21 mi
Rank: #10548 (+234)
5K → 10K
22:23 | 7:13/mi
15K
1:07:50
9.32 mi
Rank: #10846 (-298)
10K → 15K
22:52 | 7:22/mi
20K
1:30:49
12.43 mi
Rank: #10899 (-53)
15K → 20K
22:59 | 7:24/mi
HALF
1:35:51
13.11 mi
Rank: #10959 (-60)
20K → HALF
5:02 | 7:24/mi
25K
1:53:54
15.53 mi
Rank: #10916 (+43)
HALF → 25K
18:03 | 7:27/mi
30K
2:17:25
18.64 mi
Rank: #10721 (+195)
25K → 30K
23:31 | 7:35/mi
20M
2:27:50
20.00 mi
Rank: #10674 (+47)
30K → 20M
10:25 | 7:41/mi
21M
2:36:03
21.00 mi
Rank: #10710 (-36)
20M → 21M
8:13 | 8:13/mi
35K
2:41:52
21.75 mi
Rank: #10774 (-64)
21M → 35K
5:49 | 7:47/mi
23M
2:52:34
23.00 mi
Rank: #11092 (-318)
35K → 23M
10:42 | 8:34/mi
24M
3:00:44
24.00 mi
Rank: #11224 (-132)
23M → 24M
8:10 | 8:10/mi
40K
3:07:30
24.85 mi
Rank: #11214 (+10)
24M → 40K
6:46 | 7:55/mi
25.2M
3:10:25
25.20 mi
Rank: #11213 (+1)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:17:33
26.22 mi
Rank: #11017 (+196)
25.2M → FINISH
7:08 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:41:42
Pace7:46 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:0622:357:1722:35
7:17
-
10K
6.21 mi11:27:2944:587:1522:23
7:13
-0:04
15K
9.32 mi11:50:211:07:507:1722:52
7:22
+0:09
20K
12.43 mi12:13:201:30:497:1922:59
7:24
+0:02
HALF
13.11 mi12:18:221:35:517:195:02
7:24
0:00
25K
15.53 mi12:36:251:53:547:2018:03
7:27
+0:03
30K
18.64 mi12:59:562:17:257:2323:31
7:35
+0:08
20M
20.00 mi13:10:212:27:507:2410:25
7:41
+0:06
21M
21.00 mi13:18:342:36:037:268:13
8:13
+0:32
35K
21.75 mi13:24:232:41:527:275:49
7:47
-0:26
23M
23.00 mi13:35:052:52:347:3110:42
8:34
+0:47
24M
24.00 mi13:43:153:00:447:328:10
8:10
-0:24
40K
24.85 mi13:50:013:07:307:336:46
7:55
-0:15
25.2M
25.20 mi13:52:563:10:257:342:55
8:28
+0:33
FINISH
26.22 mi14:00:043:17:337:337:08
7:00
-1:28

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:00 /mi

Average Pace

7:32 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

52:06

26% of race

Time at Steady Pace

1:48:41

55% of race

Time at Slower Pace

36:46

19% of race

Average Pace: 7:32 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:05:0622:357:1722:35
7:17
#10782
10K
6.21 mi11:27:2944:587:1522:23
7:13
#10548
15K
9.32 mi11:50:211:07:507:1722:52
7:22
#10846
20K
12.43 mi12:13:201:30:497:1922:59
7:24
#10899
HALF
13.11 mi12:18:221:35:517:195:02
7:24
#10959
25K
15.53 mi12:36:251:53:547:2018:03
7:27
#10916
30K
18.64 mi12:59:562:17:257:2323:31
7:35
#10721
20M
20.00 mi13:10:212:27:507:2410:25
7:41
#10674
21M
21.00 mi13:18:342:36:037:268:13
8:13
#10710
35K
21.75 mi13:24:232:41:527:275:49
7:47
#10774
23M
23.00 mi13:35:052:52:347:3110:42
8:34
#11092
24M
24.00 mi13:43:153:00:447:328:10
8:10
#11224
40K
24.85 mi13:50:013:07:307:336:46
7:55
#11214
25.2M
25.20 mi13:52:563:10:257:342:55
8:28
#11213
FINISH
26.22 mi14:00:043:17:337:337:08
7:00
#11017
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107822269226911611(Top 40%)2810(Top 22%)2810(Top 49%)
10K6.21 mi3.10 mi10548+2342165+1042165+10410318(Top 36%)2067(Top 16%)2067(Top 36%)
15K9.32 mi3.11 mi10846-2982354-1892354-18911611(Top 40%)2810(Top 22%)2810(Top 49%)
20K12.43 mi3.11 mi10899-532419-652419-6511127(Top 38%)2652(Top 21%)2652(Top 46%)
HALF13.11 mi0.68 mi10959-602451-322451-3212007(Top 41%)3021(Top 24%)3021(Top 53%)
25K15.53 mi2.42 mi10916+432450+12450+110969(Top 38%)2618(Top 21%)2618(Top 46%)
30K18.64 mi3.11 mi10721+1952404+462404+4610226(Top 35%)2383(Top 19%)2383(Top 42%)
20M20.00 mi1.36 mi10674+472403+12403+110402(Top 36%)2599(Top 21%)2599(Top 45%)
21M21.00 mi1.00 mi10710-362451-482451-4811312(Top 39%)3146(Top 25%)3146(Top 55%)
35K21.75 mi0.75 mi10774-642506-552506-5512877(Top 44%)3999(Top 32%)3999(Top 70%)
23M23.00 mi1.25 mi11092-3182681-1752681-17516004(Top 55%)5840(Top 46%)5840(Top 102%)
24M24.00 mi1.00 mi11224-1322767-862767-8614850(Top 51%)5239(Top 42%)5239(Top 92%)
40K24.85 mi0.85 mi11214+102795-282795-2811891(Top 41%)3712(Top 30%)3712(Top 65%)
25.2M25.20 mi0.35 mi11213+12801-62801-611388(Top 39%)3544(Top 28%)3544(Top 62%)
FINISH26.22 mi1.02 mi11017+1962735+662735+667609(Top 26%)1750(Top 14%)1750(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21
+97ft-345ft

Overall

11611

Females

2810

F18-39

2810

5K→10K

3.1 - 6.2 mi

Top 36%
×5
+79ft-138ft

Overall

10318

Females

2067

F18-39

2067

10K→15K

6.2 - 9.3 mi

Top 40%
×3
+67ft-78ft

Overall

11611

Females

2810

F18-39

2810

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

11127

Females

2652

F18-39

2652

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

12007

Females

3021

F18-39

3021

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

10969

Females

2618

F18-39

2618

25K→30K

15.5 - 18.6 mi

Top 35%
×9
+181ft-148ft

Overall

10226

Females

2383

F18-39

2383

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10402

Females

2599

F18-39

2599

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11312

Females

3146

F18-39

3146

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12877

Females

3999

F18-39

3999

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

16004

Females

5840

F18-39

5840

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14850

Females

5239

F18-39

5239

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11891

Females

3712

F18-39

3712

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11388

Females

3544

F18-39

3544

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2
+22ft-21ft

Overall

7609

Females

1750

F18-39

1750

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1703*
Passed By
1603
Net Change
-235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10782
5K → 10K374*140+234#10782#10548
10K → 15K76200-298#10548#10846
15K → 20K135188-53#10846#10899
20K → HALF1979-60#10899#10959
HALF → 25K175132+43#10959#10916
25K → 30K289*94+195#10916#10721
30K → 20M11164+47#10721#10674
20M → 21M73109-36#10674#10710
21M → 35K44108-64#10710#10774
35K → 23M43200-318#10774#11092
23M → 24M45177-132#11092#11224
24M → 40K7969+10#11224#11214
40K → 25.2M3635+1#11214#11213
25.2M → FINISH204*8+196#11213#11017
TOTALS1703*1603-235

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback