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BOSTON MARATHON 2026

Julia Mao

Bib: 13255•F

NY

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 27%
Gender (Female)
#0 / 12578
Top 10%
Age Group (F18-39)
#0 / 5716
Top 18%
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
22:02
3.11 mi
Rank: #9291
Start → 5K
22:02 | 7:06/mi
10K
44:13
6.21 mi
Rank: #9462 (-171)
5K → 10K
22:11 | 7:09/mi
15K
1:06:32
9.32 mi
Rank: #9588 (-126)
10K → 15K
22:19 | 7:11/mi
20K
1:28:51
12.43 mi
Rank: #9456 (+132)
15K → 20K
22:19 | 7:11/mi
HALF
1:33:38
13.11 mi
Rank: #9421 (+35)
20K → HALF
4:47 | 7:02/mi
25K
1:50:52
15.53 mi
Rank: #9196 (+225)
HALF → 25K
17:14 | 7:07/mi
30K
2:13:05
18.64 mi
Rank: #8754 (+442)
25K → 30K
22:13 | 7:10/mi
20M
2:22:58
20.00 mi
Rank: #8605 (+149)
30K → 20M
9:53 | 7:17/mi
21M
2:30:23
21.00 mi
Rank: #8396 (+209)
20M → 21M
7:25 | 7:25/mi
35K
2:35:35
21.75 mi
Rank: #8318 (+78)
21M → 35K
5:12 | 6:58/mi
23M
2:44:43
23.00 mi
Rank: #8213 (+105)
35K → 23M
9:08 | 7:18/mi
24M
2:51:50
24.00 mi
Rank: #8133 (+80)
23M → 24M
7:07 | 7:07/mi
40K
2:57:48
24.85 mi
Rank: #7972 (+161)
24M → 40K
5:58 | 6:59/mi
25.2M
3:00:20
25.20 mi
Rank: #7882 (+90)
40K → 25.2M
2:32 | 7:21/mi
FINISH
3:07:05
26.22 mi
Rank: #7713 (+169)
25.2M → FINISH
6:45 | 6:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:33:38
Pace7:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:27
Pace7:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5422:027:0622:02
7:06
-
10K
6.21 mi11:14:0544:137:0722:11
7:09
+0:03
15K
9.32 mi11:36:241:06:327:0922:19
7:11
+0:02
20K
12.43 mi11:58:431:28:517:0922:19
7:11
0:00
HALF
13.11 mi12:03:301:33:387:094:47
7:02
-0:09
25K
15.53 mi12:20:441:50:527:0917:14
7:07
+0:05
30K
18.64 mi12:42:572:13:057:0922:13
7:10
+0:03
20M
20.00 mi12:52:502:22:587:099:53
7:17
+0:07
21M
21.00 mi13:00:152:30:237:107:25
7:25
+0:08
35K
21.75 mi13:05:272:35:357:105:12
6:58
-0:27
23M
23.00 mi13:14:352:44:437:109:08
7:18
+0:20
24M
24.00 mi13:21:422:51:507:107:07
7:07
-0:11
40K
24.85 mi13:27:402:57:487:105:58
6:59
-0:08
25.2M
25.20 mi13:30:123:00:207:102:32
7:21
+0:22
FINISH
26.22 mi13:36:573:07:057:096:45
6:38
-0:43

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

6:38 /mi

Average Pace

7:08 /mi

Slowest Pace

7:25 /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

2:48:00

90% of race

Time at Steady Pace

19:05

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:51:5422:027:0622:02
7:06
#9291
10K
6.21 mi11:14:0544:137:0722:11
7:09
#9462
15K
9.32 mi11:36:241:06:327:0922:19
7:11
#9588
20K
12.43 mi11:58:431:28:517:0922:19
7:11
#9456
HALF
13.11 mi12:03:301:33:387:094:47
7:02
#9421
25K
15.53 mi12:20:441:50:527:0917:14
7:07
#9196
30K
18.64 mi12:42:572:13:057:0922:13
7:10
#8754
20M
20.00 mi12:52:502:22:587:099:53
7:17
#8605
21M
21.00 mi13:00:152:30:237:107:25
7:25
#8396
35K
21.75 mi13:05:272:35:357:105:12
6:58
#8318
23M
23.00 mi13:14:352:44:437:109:08
7:18
#8213
24M
24.00 mi13:21:422:51:507:107:07
7:07
#8133
40K
24.85 mi13:27:402:57:487:105:58
6:59
#7972
25.2M
25.20 mi13:30:123:00:207:102:32
7:21
#7882
FINISH
26.22 mi13:36:573:07:057:096:45
6:38
#7713
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 mi9291154215429981(Top 34%)1932(Top 15%)1932(Top 34%)
10K6.21 mi3.10 mi9462-1711626-841626-849717(Top 33%)1765(Top 14%)1765(Top 31%)
15K9.32 mi3.11 mi9588-1261702-761702-769981(Top 34%)1932(Top 15%)1932(Top 34%)
20K12.43 mi3.11 mi9456+1321674+281674+289221(Top 32%)1658(Top 13%)1658(Top 29%)
HALF13.11 mi0.68 mi9421+351663+111663+118837(Top 30%)1422(Top 11%)1422(Top 25%)
25K15.53 mi2.42 mi9196+2251590+731590+738188(Top 28%)1307(Top 10%)1307(Top 23%)
30K18.64 mi3.11 mi8754+4421447+1431447+1437063(Top 24%)1014(Top 8%)1014(Top 18%)
20M20.00 mi1.36 mi8605+1491419+281419+287497(Top 26%)1270(Top 10%)1270(Top 22%)
21M21.00 mi1.00 mi8396+2091357+621357+626003(Top 21%)877(Top 7%)877(Top 15%)
35K21.75 mi0.75 mi8318+781341+161341+166779(Top 23%)1098(Top 9%)1098(Top 19%)
23M23.00 mi1.25 mi8213+1051326+151326+157476(Top 26%)1406(Top 11%)1406(Top 25%)
24M24.00 mi1.00 mi8133+801325+11325+17292(Top 25%)1410(Top 11%)1410(Top 25%)
40K24.85 mi0.85 mi7972+1611284+411284+415415(Top 19%)826(Top 7%)826(Top 14%)
25.2M25.20 mi0.35 mi7882+901260+241260+244445(Top 15%)640(Top 5%)640(Top 11%)
FINISH26.22 mi1.02 mi7713+1691216+441216+444959(Top 17%)789(Top 6%)789(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9981

Females

1932

F18-39

1932

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9717

Females

1765

F18-39

1765

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9981

Females

1932

F18-39

1932

15K→20K

9.3 - 12.4 mi

Top 32%
×5
+106ft-86ft

Overall

9221

Females

1658

F18-39

1658

20K→HALF

12.4 - 13.1 mi

Top 30%
×2
+19ft-37ft

Overall

8837

Females

1422

F18-39

1422

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8188

Females

1307

F18-39

1307

25K→30K

15.5 - 18.6 mi

Top 24%
×9
+181ft-148ft

Overall

7063

Females

1014

F18-39

1014

30K→20M

18.6 - 20.0 mi

Top 26%
×5
+64ft-50ft

Overall

7497

Females

1270

F18-39

1270

20M→21M

20.0 - 21.0 mi

Top 21%
×8
+106ft-24ft

Overall

6003

Females

877

F18-39

877

21M→35K

21.0 - 21.8 mi

Top 23%
×7
+17ft-86ft

Overall

6779

Females

1098

F18-39

1098

35K→23M

21.8 - 23.0 mi

Top 26%
×5
+23ft-63ft

Overall

7476

Females

1406

F18-39

1406

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7292

Females

1410

F18-39

1410

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5415

Females

826

F18-39

826

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1
+13ft-16ft

Overall

4445

Females

640

F18-39

640

25.2M→FINISH

25.2 - 26.2 mi

Top 17%
×2
+22ft-21ft

Overall

4959

Females

789

F18-39

789

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2337
Passed By
758
Net Change
+1578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9291
5K → 10K151322-171#9291#9462
10K → 15K108233-126#9462#9588
15K → 20K20068+132#9588#9456
20K → HALF427+35#9456#9421
HALF → 25K24116+225#9421#9196
25K → 30K45311+442#9196#8754
30K → 20M16617+149#8754#8605
20M → 21M2156+209#8605#8396
21M → 35K9113+78#8396#8318
35K → 23M13631+105#8318#8213
23M → 24M10121+80#8213#8133
24M → 40K1676+161#8133#7972
40K → 25.2M911+90#7972#7882
25.2M → FINISH1756+169#7882#7713
TOTALS2337758+1578
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing