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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Yi-Chun Ma

Bib: 20845 •F •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 30%
Age Group (F40-44)
#0 / 1737
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
25:10
3.11 mi
Rank: #17615
Start → 5K
25:10 | 8:07/mi
10K
50:34
6.21 mi
Rank: #18008 (-393)
5K → 10K
25:24 | 8:11/mi
15K
1:15:55
9.32 mi
Rank: #18038 (-30)
10K → 15K
25:21 | 8:10/mi
20K
1:41:08
12.43 mi
Rank: #17768 (+270)
15K → 20K
25:13 | 8:07/mi
HALF
1:46:40
13.11 mi
Rank: #17774 (-6)
20K → HALF
5:32 | 8:08/mi
25K
2:06:31
15.53 mi
Rank: #17599 (+175)
HALF → 25K
19:51 | 8:12/mi
30K
2:32:05
18.64 mi
Rank: #17087 (+512)
25K → 30K
25:34 | 8:14/mi
20M
2:43:17
20.00 mi
Rank: #16906 (+181)
30K → 20M
11:12 | 8:15/mi
21M
2:51:58
21.00 mi
Rank: #16732 (+174)
20M → 21M
8:41 | 8:41/mi
35K
2:57:55
21.75 mi
Rank: #16608 (+124)
21M → 35K
5:57 | 7:58/mi
23M
3:08:12
23.00 mi
Rank: #16414 (+194)
35K → 23M
10:17 | 8:14/mi
24M
3:16:10
24.00 mi
Rank: #16275 (+139)
23M → 24M
7:58 | 7:58/mi
40K
3:23:10
24.85 mi
Rank: #16159 (+116)
24M → 40K
7:00 | 8:12/mi
25.2M
3:26:16
25.20 mi
Rank: #16134 (+25)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:34:13
26.22 mi
Rank: #16013 (+121)
25.2M → FINISH
7:57 | 7:49/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:46:40
Pace8:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:33
Pace8:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:4825:108:0725:10
8:07
-
10K
6.21 mi11:37:1250:348:0925:24
8:11
+0:04
15K
9.32 mi12:02:331:15:558:0925:21
8:10
-0:01
20K
12.43 mi12:27:461:41:088:0925:13
8:07
-0:03
HALF
13.11 mi12:33:181:46:408:095:32
8:08
+0:01
25K
15.53 mi12:53:092:06:318:0919:51
8:12
+0:04
30K
18.64 mi13:18:432:32:058:1025:34
8:14
+0:02
20M
20.00 mi13:29:552:43:178:1011:12
8:15
+0:01
21M
21.00 mi13:38:362:51:588:128:41
8:41
+0:26
35K
21.75 mi13:44:332:57:558:115:57
7:58
-0:43
23M
23.00 mi13:54:503:08:128:1110:17
8:14
+0:16
24M
24.00 mi14:02:483:16:108:117:58
7:58
-0:16
40K
24.85 mi14:09:483:23:108:117:00
8:12
+0:14
25.2M
25.20 mi14:12:543:26:168:123:06
9:00
+0:48
FINISH
26.22 mi14:20:513:34:138:117:57
7:49
-1:11

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

7:49 /mi

Average Pace

8:11 /mi

Slowest Pace

9:00 /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

3:22:26

94% of race

Time at Steady Pace

11:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:11:4825:108:0725:10
8:07
#17615
10K
6.21 mi11:37:1250:348:0925:24
8:11
#18008
15K
9.32 mi12:02:331:15:558:0925:21
8:10
#18038
20K
12.43 mi12:27:461:41:088:0925:13
8:07
#17768
HALF
13.11 mi12:33:181:46:408:095:32
8:08
#17774
25K
15.53 mi12:53:092:06:318:0919:51
8:12
#17599
30K
18.64 mi13:18:432:32:058:1025:34
8:14
#17087
20M
20.00 mi13:29:552:43:178:1011:12
8:15
#16906
21M
21.00 mi13:38:362:51:588:128:41
8:41
#16732
35K
21.75 mi13:44:332:57:558:115:57
7:58
#16608
23M
23.00 mi13:54:503:08:128:1110:17
8:14
#16414
24M
24.00 mi14:02:483:16:108:117:58
7:58
#16275
40K
24.85 mi14:09:483:23:108:117:00
8:12
#16159
25.2M
25.20 mi14:12:543:26:168:123:06
9:00
#16134
FINISH
26.22 mi14:20:513:34:138:117:57
7:49
#16013
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi176156279627918085(Top 62%)6520(Top 52%)6520(Top 375%)
10K6.21 mi3.10 mi18008-3936502-2236502-22318437(Top 64%)6708(Top 53%)6708(Top 386%)
15K9.32 mi3.11 mi18038-306508-66508-618085(Top 62%)6520(Top 52%)6520(Top 375%)
20K12.43 mi3.11 mi17768+2706369+1396369+13916976(Top 58%)5924(Top 47%)5924(Top 341%)
HALF13.11 mi0.68 mi17774-66368+16368+117907(Top 62%)6397(Top 51%)6397(Top 368%)
25K15.53 mi2.42 mi17599+1756273+956273+9516707(Top 58%)5825(Top 46%)5825(Top 335%)
30K18.64 mi3.11 mi17087+5126007+2666007+26615138(Top 52%)5050(Top 40%)5050(Top 291%)
20M20.00 mi1.36 mi16906+1815923+845923+8414599(Top 50%)4825(Top 38%)4825(Top 278%)
21M21.00 mi1.00 mi16732+1745851+725851+7214324(Top 49%)4760(Top 38%)4760(Top 274%)
35K21.75 mi0.75 mi16608+1245788+635788+6314214(Top 49%)4763(Top 38%)4763(Top 274%)
23M23.00 mi1.25 mi16414+1945712+765712+7613951(Top 48%)4689(Top 37%)4689(Top 270%)
24M24.00 mi1.00 mi16275+1395657+555657+5513565(Top 47%)4563(Top 36%)4563(Top 263%)
40K24.85 mi0.85 mi16159+1165603+545603+5413733(Top 47%)4746(Top 38%)4746(Top 273%)
25.2M25.20 mi0.35 mi16134+255605-25605-214732(Top 51%)5301(Top 42%)5301(Top 305%)
FINISH26.22 mi1.02 mi16013+1215557+485557+4813826(Top 48%)4837(Top 38%)4837(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18085

Females

6520

F40-44

6520

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18437

Females

6708

F40-44

6708

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18085

Females

6520

F40-44

6520

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16976

Females

5924

F40-44

5924

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

17907

Females

6397

F40-44

6397

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16707

Females

5825

F40-44

5825

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15138

Females

5050

F40-44

5050

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14599

Females

4825

F40-44

4825

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14324

Females

4760

F40-44

4760

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14214

Females

4763

F40-44

4763

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13951

Females

4689

F40-44

4689

23M→24M

23.0 - 24.0 mi

Top 47%
×6
+12ft-82ft

Overall

13565

Females

4563

F40-44

4563

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13733

Females

4746

F40-44

4746

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14732

Females

5301

F40-44

5301

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13826

Females

4837

F40-44

4837

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2565*
Passed By
640
Net Change
+1602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17615
5K → 10K130200-393#17615#18008
10K → 15K167197-30#18008#18038
15K → 20K312*42+270#18038#17768
20K → HALF2733-6#17768#17774
HALF → 25K224*49+175#17774#17599
25K → 30K527*15+512#17599#17087
30K → 20M1887+181#17087#16906
20M → 21M19319+174#16906#16732
21M → 35K1317+124#16732#16608
35K → 23M207*13+194#16608#16414
23M → 24M15213+139#16414#16275
24M → 40K13216+116#16275#16159
40K → 25.2M4419+25#16159#16134
25.2M → FINISH13110+121#16134#16013
TOTALS2565*640+1602

* 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

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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