All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marybeth Chelanga

Bib: 142 β€’F β€’Age: N/A

NC

Boston Marathon logo
0:00
0:00
/ mi
OTQ
Be the first to cheer!
Overall
#0 / 29021
Top 3%
Gender (Female)
#0 / 12578
Top 0.3%
Age Group (F18-39)
#0 / 5716
Top 0.6%
Race Day Weather
51Β°/41Β°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
17:48
3.11 mi
Rank: #504
Start β†’ 5K
17:48 | 5:44/mi
10K
35:46
6.21 mi
Rank: #579 (-75)
5K β†’ 10K
17:58 | 5:47/mi
15K
53:57
9.32 mi
Rank: #626 (-47)
10K β†’ 15K
18:11 | 5:52/mi
20K
1:12:25
12.43 mi
Rank: #684 (-58)
15K β†’ 20K
18:28 | 5:57/mi
HALF
1:16:27
13.11 mi
Rank: #707 (-23)
20K β†’ HALF
4:02 | 5:56/mi
25K
1:30:56
15.53 mi
Rank: #723 (-16)
HALF β†’ 25K
14:29 | 5:59/mi
30K
1:49:48
18.64 mi
Rank: #722 (+1)
25K β†’ 30K
18:52 | 6:05/mi
20M
1:58:15
20.00 mi
Rank: #744 (-22)
30K β†’ 20M
8:27 | 6:14/mi
21M
2:04:52
21.00 mi
Rank: #764 (-20)
20M β†’ 21M
6:37 | 6:37/mi
35K
2:09:22
21.75 mi
Rank: #776 (-12)
21M β†’ 35K
4:30 | 6:01/mi
23M
2:17:14
23.00 mi
Rank: #803 (-27)
35K β†’ 23M
7:52 | 6:18/mi
24M
2:23:16
24.00 mi
Rank: #801 (+2)
23M β†’ 24M
6:02 | 6:02/mi
40K
2:28:30
24.85 mi
Rank: #797 (+4)
24M β†’ 40K
5:14 | 6:08/mi
25.2M
2:30:53
25.20 mi
Rank: #815 (-18)
40K β†’ 25.2M
2:23 | 6:55/mi
FINISH
2:36:45
26.22 mi
Rank: #793 (+22)
25.2M β†’ FINISH
5:52 | 5:46/mi
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 β€” view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:16:27
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:20:18
Pace6:08 /mi
πŸ“ŠPositive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:04:5117:485:4417:48
5:44
-
10K
6.21 mi10:22:4935:465:4617:58
5:47
+0:03
15K
9.32 mi10:41:0053:575:4818:11
5:52
+0:05
20K
12.43 mi10:59:281:12:255:5018:28
5:57
+0:05
HALF
13.11 mi11:03:301:16:275:504:02
5:56
-0:01
25K
15.53 mi11:17:591:30:565:5214:29
5:59
+0:03
30K
18.64 mi11:36:511:49:485:5418:52
6:05
+0:06
20M
20.00 mi11:45:181:58:155:558:27
6:14
+0:09
21M
21.00 mi11:51:552:04:525:576:37
6:37
+0:23
35K
21.75 mi11:56:252:09:225:574:30
6:01
-0:36
23M
23.00 mi12:04:172:17:145:597:52
6:18
+0:17
24M
24.00 mi12:10:192:23:165:596:02
6:02
-0:16
40K
24.85 mi12:15:332:28:305:595:14
6:08
+0:06
25.2M
25.20 mi12:17:562:30:536:002:23
6:55
+0:47
FINISH
26.22 mi12:23:482:36:455:595:52
5:46
-1:09

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

5:44 /mi

Average Pace

5:59 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

41:38

27% of race

Time at Steady Pace

1:29:48

57% of race

Time at Slower Pace

25:19

16% of race

Average Pace: 5:59 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:04:5117:485:4417:48
5:44
#504
10K
6.21 mi10:22:4935:465:4617:58
5:47
#579
15K
9.32 mi10:41:0053:575:4818:11
5:52
#626
20K
12.43 mi10:59:281:12:255:5018:28
5:57
#684
HALF
13.11 mi11:03:301:16:275:504:02
5:56
#707
25K
15.53 mi11:17:591:30:565:5214:29
5:59
#723
30K
18.64 mi11:36:511:49:485:5418:52
6:05
#722
20M
20.00 mi11:45:181:58:155:558:27
6:14
#744
21M
21.00 mi11:51:552:04:525:576:37
6:37
#764
35K
21.75 mi11:56:252:09:225:574:30
6:01
#776
23M
23.00 mi12:04:172:17:145:597:52
6:18
#803
24M
24.00 mi12:10:192:23:165:596:02
6:02
#801
40K
24.85 mi12:15:332:28:305:595:14
6:08
#797
25.2M
25.20 mi12:17:562:30:536:002:23
6:55
#815
FINISH
26.22 mi12:23:482:36:455:595:52
5:46
#793
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 mi5043535809(Top 3%)34(Top 0.3%)34(Top 0.6%)
10K6.21 mi3.10 mi579-7532+332+3654(Top 2%)26(Top 0.2%)26(Top 0.5%)
15K9.32 mi3.11 mi626-4733-133-1809(Top 3%)34(Top 0.3%)34(Top 0.6%)
20K12.43 mi3.11 mi684-5832+132+1958(Top 3%)33(Top 0.3%)33(Top 0.6%)
HALF13.11 mi0.68 mi707-2332321138(Top 4%)42(Top 0.3%)42(Top 0.7%)
25K15.53 mi2.42 mi723-163232983(Top 3%)37(Top 0.3%)37(Top 0.6%)
30K18.64 mi3.11 mi722+131+131+1876(Top 3%)32(Top 0.3%)32(Top 0.6%)
20M20.00 mi1.36 mi744-2233-233-21265(Top 4%)46(Top 0.4%)46(Top 0.8%)
21M21.00 mi1.00 mi764-2033331711(Top 6%)70(Top 0.6%)70(Top 1%)
35K21.75 mi0.75 mi776-1234-134-11289(Top 4%)46(Top 0.4%)46(Top 0.8%)
23M23.00 mi1.25 mi803-2733+133+11522(Top 5%)64(Top 0.5%)64(Top 1%)
24M24.00 mi1.00 mi801+232+132+11196(Top 4%)52(Top 0.4%)52(Top 0.9%)
40K24.85 mi0.85 mi797+432321114(Top 4%)50(Top 0.4%)50(Top 0.9%)
25.2M25.20 mi0.35 mi815-1835-335-32333(Top 8%)176(Top 1%)176(Top 3%)
FINISH26.22 mi1.02 mi793+223535874(Top 3%)40(Top 0.3%)40(Top 0.7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

809

Females

34

F18-39

34

5K→10K

3.1 - 6.2 mi

Top 2%
Γ—5
+79ft-138ft

Overall

654

Females

26

F18-39

26

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

809

Females

34

F18-39

34

15K→20K

9.3 - 12.4 mi

Top 3%
Γ—5
+106ft-86ft

Overall

958

Females

33

F18-39

33

20K→HALF

12.4 - 13.1 mi

Top 4%
Γ—2
+19ft-37ft

Overall

1138

Females

42

F18-39

42

HALF→25K

13.1 - 15.5 mi

Top 3%
Γ—4
+66ft-88ft

Overall

983

Females

37

F18-39

37

25K→30K

15.5 - 18.6 mi

Top 3%
Γ—9
+181ft-148ft

Overall

876

Females

32

F18-39

32

30K→20M

18.6 - 20.0 mi

Top 4%
Γ—5
+64ft-50ft

Overall

1265

Females

46

F18-39

46

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1711

Females

70

F18-39

70

21M→35K

21.0 - 21.8 mi

Top 4%
Γ—7
+17ft-86ft

Overall

1289

Females

46

F18-39

46

35K→23M

21.8 - 23.0 mi

Top 5%
Γ—5
+23ft-63ft

Overall

1522

Females

64

F18-39

64

23M→24M

23.0 - 24.0 mi

Top 4%
Γ—6
+12ft-82ft

Overall

1196

Females

52

F18-39

52

24M→40K

24.0 - 24.9 mi

Top 4%
Γ—1
+6ft-20ft

Overall

1114

Females

50

F18-39

50

40K→25.2M

24.9 - 25.2 mi

Top 8%
Γ—1
+13ft-16ft

Overall

2333

Females

176

F18-39

176

25.2M→FINISH

25.2 - 26.2 mi

Top 3%
Γ—2
+22ft-21ft

Overall

874

Females

40

F18-39

40

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
180
Passed By
469
Net Change
-289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#504
5K β†’ 10K1691-75#504#579
10K β†’ 15K956-47#579#626
15K β†’ 20K967-58#626#684
20K β†’ HALF124-23#684#707
HALF β†’ 25K1531-16#707#723
25K β†’ 30K2726+1#723#722
30K β†’ 20M1032-22#722#744
20M β†’ 21M1030-20#744#764
21M β†’ 35K517-12#764#776
35K β†’ 23M1643-27#776#803
23M β†’ 24M2018+2#803#801
24M β†’ 40K128+4#801#797
40K β†’ 25.2M119-18#797#815
25.2M β†’ FINISH297+22#815#793
TOTALS180469-289
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

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