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BOSTON MARATHON 2025

Jing Li

Bib: 22217•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:35/mi
26:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
53:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:19:53
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:47:34
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
1:53:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:15:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:46:08
↑ 181↓ 1480.2%
20M
9:35/mi
2:59:10
↑ 64↓ 500.2%
21M
10:46/mi
3:09:56
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:17:39
↑ 17↓ 861.7%
23M
9:46/mi
3:29:53
↑ 23↓ 630.6%
24M
9:09/mi
3:39:02
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:47:23
↓ 200.3%
25.2M
10:58/mi
3:51:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
4:00:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:45
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:06:19
Pace9:38 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1926:418:3526:41
8:35
-
10K
6.21 mi11:47:5153:138:3426:32
8:32
-0:03
15K
9.32 mi12:14:311:19:538:3426:40
8:35
+0:03
20K
12.43 mi12:42:121:47:348:3927:41
8:55
+0:20
Half
13.11 mi12:48:231:53:458:416:11
9:04
+0:09
25K
15.53 mi13:10:232:15:458:4422:00
9:04
0:00
30K
18.64 mi13:40:462:46:088:5530:23
9:47
+0:43
20M
20.00 mi13:53:482:59:108:5713:02
9:35
-0:12
21M
21.00 mi14:04:343:09:569:0310:46
10:46
+1:11
35K
21.75 mi14:12:173:17:399:057:43
10:19
-0:27
23M
23.00 mi14:24:313:29:539:0812:14
9:46
-0:33
24M
24.00 mi14:33:403:39:029:089:09
9:09
-0:37
40K
24.85 mi14:42:013:47:239:098:21
9:46
+0:37
25.2M
25.20 mi14:45:483:51:109:103:47
10:58
+1:12
Finish
26.22 mi14:54:424:00:049:108:54
8:44
-2:14

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

8:32 /mi

Average Pace

9:10 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:47

37% of race

Time at Steady Pace

1:05:01

27% of race

Time at Slower Pace

1:26:16

36% of race

Average Pace: 9:09 /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 mi11:21:1926:418:3526:41
8:35
#20405
10K
6.21 mi11:47:5153:138:3426:32
8:32
#20222
15K
9.32 mi12:14:311:19:538:3426:40
8:35
#20086
20K
12.43 mi12:42:121:47:348:3927:41
8:55
#20164
Half
13.11 mi12:48:231:53:458:416:11
9:04
#20282
25K
15.53 mi13:10:232:15:458:4422:00
9:04
#20299
30K
18.64 mi13:40:462:46:088:5530:23
9:47
#20431
20M
20.00 mi13:53:482:59:108:5713:02
9:35
#20366
21M
21.00 mi14:04:343:09:569:0310:46
10:46
#20413
35K
21.75 mi14:12:173:17:399:057:43
10:19
#20534
23M
23.00 mi14:24:313:29:539:0812:14
9:46
#20486
24M
24.00 mi14:33:403:39:029:089:09
9:09
#20412
40K
24.85 mi14:42:013:47:239:098:21
9:46
#20400
25.2M
25.20 mi14:45:483:51:109:103:47
10:58
#20427
Finish
26.22 mi14:54:424:00:049:108:54
8:44
#20360
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi204057747774719847(Top 70%)7363(Top 60%)7363(Top 565%)
10K6.21 mi3.10 mi20222+1837607+1407607+14020049(Top 71%)7494(Top 61%)7494(Top 575%)
15K9.32 mi3.11 mi20086+1367520+877520+8719847(Top 70%)7363(Top 60%)7363(Top 565%)
20K12.43 mi3.11 mi20164-787568-487568-4820538(Top 72%)7795(Top 64%)7795(Top 598%)
Half13.11 mi0.68 mi20282-1187642-747642-7422088(Top 78%)8645(Top 71%)8645(Top 663%)
25K15.53 mi2.42 mi20299-177659-177659-1720247(Top 71%)7674(Top 63%)7674(Top 589%)
30K18.64 mi3.11 mi20431-1327780-1217780-12120935(Top 74%)8194(Top 67%)8194(Top 629%)
20M20.00 mi1.36 mi20366+657757+237757+2319590(Top 69%)7578(Top 62%)7578(Top 582%)
21M21.00 mi1.00 mi20413-477804-477804-4720751(Top 73%)8315(Top 68%)8315(Top 638%)
35K21.75 mi0.75 mi20534-1217883-797883-7922744(Top 80%)9407(Top 77%)9407(Top 722%)
23M23.00 mi1.25 mi20486+487878+57878+519698(Top 69%)7887(Top 64%)7887(Top 605%)
24M24.00 mi1.00 mi20412+747856+227856+2218143(Top 64%)7117(Top 58%)7117(Top 546%)
40K24.85 mi0.85 mi20400+127868-127868-1219715(Top 69%)8001(Top 65%)8001(Top 614%)
25.2M25.20 mi0.35 mi20427-277889-217889-2120565(Top 72%)8443(Top 69%)8443(Top 648%)
Finish26.22 mi1.02 mi20360+677869+207869+2017713(Top 62%)6938(Top 57%)6938(Top 532%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19847

Females

7363

F50-54

7363

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20049

Females

7494

F50-54

7494

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19847

Females

7363

F50-54

7363

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20538

Females

7795

F50-54

7795

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

22088

Females

8645

F50-54

8645

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20247

Females

7674

F50-54

7674

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

20935

Females

8194

F50-54

8194

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19590

Females

7578

F50-54

7578

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20751

Females

8315

F50-54

8315

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22744

Females

9407

F50-54

9407

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19698

Females

7887

F50-54

7887

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18143

Females

7117

F50-54

7117

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19715

Females

8001

F50-54

8001

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20565

Females

8443

F50-54

8443

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17713

Females

6938

F50-54

6938

Passing Analysis

Category:
Athletes Passed
1760
Passed By
1715
Net Change
+45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20405
5K → 10K389206+183#20405#20222
10K → 15K247111+136#20222#20086
15K → 20K156234-78#20086#20164
20K → Half10128-118#20164#20282
Half → 25K162179-17#20282#20299
25K → 30K195327-132#20299#20431
30K → 20M12459+65#20431#20366
20M → 21M71118-47#20366#20413
21M → 35K30151-121#20413#20534
35K → 23M10456+48#20534#20486
23M → 24M9420+74#20486#20412
24M → 40K6553+12#20412#20400
40K → 25.2M2249-27#20400#20427
25.2M → Finish9124+67#20427#20360
TOTALS17601715+45
📊

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