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BOSTON MARATHON 2025

Rui Ma

Bib: 16203•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:16
Rank: #14916
Start → 5K
24:16 | 7:49/mi
10K· 6.21 mi
48:14
Rank: #14452 (+464)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:12:19
Rank: #14287 (+165)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:38:16
Rank: #15165 (-878)
15K → 20K
25:57 | 8:21/mi
Half· 13.11 mi
1:43:27
Rank: #15016 (+149)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
2:02:45
Rank: #14737 (+279)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:29:20
Rank: #14831 (-94)
25K → 30K
26:35 | 8:33/mi
20M
2:40:59
Rank: #14747 (+84)
30K → 20M
11:39 | 8:34/mi
21M
2:49:48
Rank: #14568 (+179)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
2:56:09
Rank: #14572 (-4)
21M → 35K
6:21 | 8:29/mi
23M
3:08:41
Rank: #15062 (-490)
35K → 23M
12:32 | 10:01/mi
24M
3:17:12
Rank: #15002 (+60)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:24:34
Rank: #14959 (+43)
24M → 40K
7:22 | 8:37/mi
25.2M
3:27:44
Rank: #14909 (+50)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:35:53
Rank: #14797 (+112)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:27
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:52:26
Pace8:35 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4124:167:4924:16
7:49
-
10K
6.21 mi11:22:3948:147:4623:58
7:43
-0:06
15K
9.32 mi11:46:441:12:197:4624:05
7:45
+0:02
20K
12.43 mi12:12:411:38:167:5425:57
8:21
+0:36
Half
13.11 mi12:17:521:43:277:535:11
7:36
-0:45
25K
15.53 mi12:37:102:02:457:5419:18
7:58
+0:22
30K
18.64 mi13:03:452:29:208:0126:35
8:33
+0:35
20M
20.00 mi13:15:242:40:598:0311:39
8:34
+0:01
21M
21.00 mi13:24:132:49:488:058:49
8:49
+0:15
35K
21.75 mi13:30:342:56:098:066:21
8:29
-0:20
23M
23.00 mi13:43:063:08:418:1212:32
10:01
+1:32
24M
24.00 mi13:51:373:17:128:138:31
8:31
-1:30
40K
24.85 mi13:58:593:24:348:147:22
8:37
+0:06
25.2M
25.20 mi14:02:093:27:448:153:10
9:11
+0:34
Finish
26.22 mi14:10:183:35:538:148:09
8:00
-1:11

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

7:36 /mi

Average Pace

8:14 /mi

Slowest Pace

10:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:57

49% of race

Time at Steady Pace

1:26:25

40% of race

Time at Slower Pace

24:31

11% of race

Average Pace: 8:14 /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 mi10:58:4124:167:4924:16
7:49
#14916
10K
6.21 mi11:22:3948:147:4623:58
7:43
#14452
15K
9.32 mi11:46:441:12:197:4624:05
7:45
#14287
20K
12.43 mi12:12:411:38:167:5425:57
8:21
#15165
Half
13.11 mi12:17:521:43:277:535:11
7:36
#15016
25K
15.53 mi12:37:102:02:457:5419:18
7:58
#14737
30K
18.64 mi13:03:452:29:208:0126:35
8:33
#14831
20M
20.00 mi13:15:242:40:598:0311:39
8:34
#14747
21M
21.00 mi13:24:132:49:488:058:49
8:49
#14568
35K
21.75 mi13:30:342:56:098:066:21
8:29
#14572
23M
23.00 mi13:43:063:08:418:1212:32
10:01
#15062
24M
24.00 mi13:51:373:17:128:138:31
8:31
#15002
40K
24.85 mi13:58:593:24:348:147:22
8:37
#14959
25.2M
25.20 mi14:02:093:27:448:153:10
9:11
#14909
Finish
26.22 mi14:10:183:35:538:148:09
8:00
#14797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149164475447513965(Top 49%)3996(Top 33%)3996(Top 73%)
10K6.21 mi3.10 mi14452+4644207+2684207+26814039(Top 49%)3979(Top 33%)3979(Top 73%)
15K9.32 mi3.11 mi14287+1654130+774130+7713965(Top 49%)3996(Top 33%)3996(Top 73%)
20K12.43 mi3.11 mi15165-8784677-5474677-54717245(Top 61%)5908(Top 48%)5908(Top 108%)
Half13.11 mi0.68 mi15016+1494597+804597+8012651(Top 45%)3335(Top 27%)3335(Top 61%)
25K15.53 mi2.42 mi14737+2794468+1294468+12913606(Top 48%)4006(Top 33%)4006(Top 73%)
30K18.64 mi3.11 mi14831-944583-1154583-11515132(Top 53%)4975(Top 41%)4975(Top 91%)
20M20.00 mi1.36 mi14747+844555+284555+2814272(Top 50%)4646(Top 38%)4646(Top 85%)
21M21.00 mi1.00 mi14568+1794482+734482+7312445(Top 44%)3838(Top 31%)3838(Top 70%)
35K21.75 mi0.75 mi14572-44495-134495-1315409(Top 54%)5465(Top 45%)5465(Top 100%)
23M23.00 mi1.25 mi15062-4904806-3114806-31120523(Top 72%)8304(Top 68%)8304(Top 152%)
24M24.00 mi1.00 mi15002+604802+44802+414632(Top 52%)5168(Top 42%)5168(Top 94%)
40K24.85 mi0.85 mi14959+434806-44806-414172(Top 50%)5052(Top 41%)5052(Top 92%)
25.2M25.20 mi0.35 mi14909+504792+144792+1412894(Top 45%)4452(Top 36%)4452(Top 81%)
Finish26.22 mi1.02 mi14797+1124755+374755+3712897(Top 45%)4380(Top 36%)4380(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13965

Females

3996

F18-39

3996

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

14039

Females

3979

F18-39

3979

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13965

Females

3996

F18-39

3996

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17245

Females

5908

F18-39

5908

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12651

Females

3335

F18-39

3335

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13606

Females

4006

F18-39

4006

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15132

Females

4975

F18-39

4975

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14272

Females

4646

F18-39

4646

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12445

Females

3838

F18-39

3838

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15409

Females

5465

F18-39

5465

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20523

Females

8304

F18-39

8304

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14632

Females

5168

F18-39

5168

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14172

Females

5052

F18-39

5052

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12894

Females

4452

F18-39

4452

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12897

Females

4380

F18-39

4380

Passing Analysis

Category:
Athletes Passed
2486
Passed By
2367
Net Change
+119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14916
5K → 10K584120+464#14916#14452
10K → 15K286121+165#14452#14287
15K → 20K65943-878#14287#15165
20K → Half1523+149#15165#15016
Half → 25K32041+279#15016#14737
25K → 30K212306-94#14737#14831
30K → 20M16783+84#14831#14747
20M → 21M20425+179#14747#14568
21M → 35K7680-4#14568#14572
35K → 23M28518-490#14572#15062
23M → 24M10747+60#15062#15002
24M → 40K8340+43#15002#14959
40K → 25.2M6414+50#14959#14909
25.2M → Finish13826+112#14909#14797
TOTALS24862367+119
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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