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BOSTON MARATHON 2025

Yanhong Zhang

Bib: 18269•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F50-54)
#0 / 1303
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:27/mi
23:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:08:54
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:32:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:37:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:55:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:19:43
↑ 181↓ 1480.2%
20M
7:49/mi
2:30:20
↑ 64↓ 500.2%
21M
8:23/mi
2:38:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:44:12
↑ 17↓ 861.7%
23M
7:45/mi
2:53:54
↑ 23↓ 630.6%
24M
7:31/mi
3:01:25
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:07:58
↓ 200.3%
25.2M
8:33/mi
3:10:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:18:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:15
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:41:25
Pace7:44 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4723:107:2723:10
7:27
-
10K
6.21 mi11:36:2845:517:2322:41
7:18
-0:09
15K
9.32 mi11:59:311:08:547:2423:03
7:25
+0:07
20K
12.43 mi12:22:501:32:137:2523:19
7:30
+0:05
Half
13.11 mi12:27:521:37:157:255:02
7:23
-0:07
25K
15.53 mi12:46:061:55:297:2618:14
7:31
+0:08
30K
18.64 mi13:10:202:19:437:3024:14
7:48
+0:17
20M
20.00 mi13:20:572:30:207:3110:37
7:49
+0:01
21M
21.00 mi13:29:202:38:437:338:23
8:23
+0:34
35K
21.75 mi13:34:492:44:127:335:29
7:20
-1:03
23M
23.00 mi13:44:312:53:547:349:42
7:45
+0:25
24M
24.00 mi13:52:023:01:257:347:31
7:31
-0:14
40K
24.85 mi13:58:353:07:587:346:33
7:40
+0:09
25.2M
25.20 mi14:01:323:10:557:352:57
8:33
+0:53
Finish
26.22 mi14:09:173:18:407:357:45
7:36
-0:57

Checkpoints & Pacing

📈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

7:18 /mi

Average Pace

7:35 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:20

94% of race

Time at Steady Pace

11:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:13:4723:107:2723:10
7:27
#11861
10K
6.21 mi11:36:2845:517:2322:41
7:18
#11048
15K
9.32 mi11:59:311:08:547:2423:03
7:25
#10998
20K
12.43 mi12:22:501:32:137:2523:19
7:30
#10938
Half
13.11 mi12:27:521:37:157:255:02
7:23
#10912
25K
15.53 mi12:46:061:55:297:2618:14
7:31
#10739
30K
18.64 mi13:10:202:19:437:3024:14
7:48
#10538
20M
20.00 mi13:20:572:30:207:3110:37
7:49
#10400
21M
21.00 mi13:29:202:38:437:338:23
8:23
#10308
35K
21.75 mi13:34:492:44:127:335:29
7:20
#10185
23M
23.00 mi13:44:312:53:547:349:42
7:45
#10024
24M
24.00 mi13:52:023:01:257:347:31
7:31
#9867
40K
24.85 mi13:58:353:07:587:346:33
7:40
#9773
25.2M
25.20 mi14:01:323:10:557:352:57
8:33
#9740
Finish
26.22 mi14:09:173:18:407:357:45
7:36
#9732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi118612716271611056(Top 39%)2401(Top 20%)2401(Top 184%)
10K6.21 mi3.10 mi11048+8132324+3922324+39210366(Top 36%)1994(Top 16%)1994(Top 153%)
15K9.32 mi3.11 mi10998+502317+72317+711056(Top 39%)2401(Top 20%)2401(Top 184%)
20K12.43 mi3.11 mi10938+602303+142303+1410822(Top 38%)2379(Top 19%)2379(Top 183%)
Half13.11 mi0.68 mi10912+262298+52298+510723(Top 38%)2288(Top 19%)2288(Top 176%)
25K15.53 mi2.42 mi10739+1732252+462252+4610158(Top 36%)2163(Top 18%)2163(Top 166%)
30K18.64 mi3.11 mi10538+2012226+262226+269944(Top 35%)2257(Top 18%)2257(Top 173%)
20M20.00 mi1.36 mi10400+1382198+282198+289134(Top 32%)2039(Top 17%)2039(Top 156%)
21M21.00 mi1.00 mi10308+922194+42194+49766(Top 34%)2495(Top 20%)2495(Top 191%)
35K21.75 mi0.75 mi10185+1232152+422152+427470(Top 26%)1492(Top 12%)1492(Top 115%)
23M23.00 mi1.25 mi10024+1612118+342118+348247(Top 29%)1928(Top 16%)1928(Top 148%)
24M24.00 mi1.00 mi9867+1572072+462072+467863(Top 28%)1812(Top 15%)1812(Top 139%)
40K24.85 mi0.85 mi9773+942067+52067+57867(Top 28%)1932(Top 16%)1932(Top 148%)
25.2M25.20 mi0.35 mi9740+33206720679154(Top 32%)2591(Top 21%)2591(Top 199%)
Finish26.22 mi1.02 mi9732+82107-402107-409988(Top 35%)2970(Top 24%)2970(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11056

Females

2401

F50-54

2401

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10366

Females

1994

F50-54

1994

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11056

Females

2401

F50-54

2401

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10822

Females

2379

F50-54

2379

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10723

Females

2288

F50-54

2288

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10158

Females

2163

F50-54

2163

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9944

Females

2257

F50-54

2257

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9134

Females

2039

F50-54

2039

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9766

Females

2495

F50-54

2495

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7470

Females

1492

F50-54

1492

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8247

Females

1928

F50-54

1928

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7863

Females

1812

F50-54

1812

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7867

Females

1932

F50-54

1932

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9154

Females

2591

F50-54

2591

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9988

Females

2970

F50-54

2970

Passing Analysis

Category:
Athletes Passed
2943*
Passed By
814
Net Change
+2129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11861
5K → 10K86350+813#11861#11048
10K → 15K197147+50#11048#10998
15K → 20K198138+60#10998#10938
20K → Half4822+26#10938#10912
Half → 25K24370+173#10912#10739
25K → 30K330129+201#10739#10538
30K → 20M17739+138#10538#10400
20M → 21M15260+92#10400#10308
21M → 35K1307+123#10308#10185
35K → 23M18524+161#10185#10024
23M → 24M173*16+157#10024#9867
24M → 40K11622+94#9867#9773
40K → 25.2M5320+33#9773#9740
25.2M → Finish7870+8#9740#9732
TOTALS2943*814+2129

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing