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BOSTON MARATHON 2025

Bingjiao Leng

Bib: 17985•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
28:13
Rank: #22776
Start → 5K
28:13 | 9:05/mi
10K· 6.21 mi
56:43
Rank: #22924 (-148)
5K → 10K
28:30 | 9:10/mi
15K· 9.32 mi
1:26:17
Rank: #23293 (-369)
10K → 15K
29:34 | 9:31/mi
20K· 12.43 mi
1:57:55
Rank: #23715 (-422)
15K → 20K
31:38 | 10:11/mi
Half· 13.11 mi
2:04:59
Rank: #23828 (-113)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:31:57
Rank: #24187 (-359)
Half → 25K
26:58 | 11:07/mi
30K· 18.64 mi
3:08:59
Rank: #24533 (-346)
25K → 30K
37:02 | 11:55/mi
20M
3:24:31
Rank: #24541 (-8)
30K → 20M
15:32 | 11:26/mi
21M
3:38:42
Rank: #24700 (-159)
20M → 21M
14:11 | 14:11/mi
35K· 21.75 mi
3:49:35
Rank: #24925 (-225)
21M → 35K
10:53 | 14:33/mi
23M
4:04:45
Rank: #24963 (-38)
35K → 23M
15:10 | 12:07/mi
24M
4:16:26
Rank: #24979 (-16)
23M → 24M
11:41 | 11:41/mi
40K· 24.85 mi
4:26:35
Rank: #24968 (+11)
24M → 40K
10:09 | 11:52/mi
25.2M
4:30:47
Rank: #24959 (+9)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:41:45
Rank: #24973 (-14)
25.2M → Finish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:59
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:36:46
Pace11:58 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4028:139:0528:13
9:05
-
10K
6.21 mi11:54:1056:439:0828:30
9:10
+0:05
15K
9.32 mi12:23:441:26:179:1529:34
9:31
+0:21
20K
12.43 mi12:55:221:57:559:2931:38
10:11
+0:40
Half
13.11 mi13:02:262:04:599:327:04
10:21
+0:10
25K
15.53 mi13:29:242:31:579:4726:58
11:07
+0:46
30K
18.64 mi14:06:263:08:5910:0837:02
11:55
+0:48
20M
20.00 mi14:21:583:24:3110:1415:32
11:26
-0:29
21M
21.00 mi14:36:093:38:4210:2514:11
14:11
+2:45
35K
21.75 mi14:47:023:49:3510:3310:53
14:33
+0:22
23M
23.00 mi15:02:124:04:4510:3815:10
12:07
-2:26
24M
24.00 mi15:13:534:16:2610:4111:41
11:41
-0:26
40K
24.85 mi15:24:024:26:3510:4410:09
11:52
+0:11
25.2M
25.20 mi15:28:144:30:4710:454:12
12:11
+0:19
Finish
26.22 mi15:39:124:41:4510:4510:58
10:46
-1:25

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

9:05 /mi

Average Pace

10:45 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:59

44% of race

Time at Steady Pace

2:11:42

47% of race

Time at Slower Pace

25:04

9% of race

Average Pace: 10:45 /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 mi11:25:4028:139:0528:13
9:05
#22776
10K
6.21 mi11:54:1056:439:0828:30
9:10
#22924
15K
9.32 mi12:23:441:26:179:1529:34
9:31
#23293
20K
12.43 mi12:55:221:57:559:2931:38
10:11
#23715
Half
13.11 mi13:02:262:04:599:327:04
10:21
#23828
25K
15.53 mi13:29:242:31:579:4726:58
11:07
#24187
30K
18.64 mi14:06:263:08:5910:0837:02
11:55
#24533
20M
20.00 mi14:21:583:24:3110:1415:32
11:26
#24541
21M
21.00 mi14:36:093:38:4210:2514:11
14:11
#24700
35K
21.75 mi14:47:023:49:3510:3310:53
14:33
#24925
23M
23.00 mi15:02:124:04:4510:3815:10
12:07
#24963
24M
24.00 mi15:13:534:16:2610:4111:41
11:41
#24979
40K
24.85 mi15:24:024:26:3510:4410:09
11:52
#24968
25.2M
25.20 mi15:28:144:30:4710:454:12
12:11
#24959
Finish
26.22 mi15:39:124:41:4510:4510:58
10:46
#24973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227769061906123787(Top 84%)9537(Top 78%)9537(Top 174%)
10K6.21 mi3.10 mi22924-1489112-519112-5123083(Top 81%)9179(Top 75%)9179(Top 168%)
15K9.32 mi3.11 mi23293-3699289-1779289-17723787(Top 84%)9537(Top 78%)9537(Top 174%)
20K12.43 mi3.11 mi23715-4229526-2379526-23724596(Top 87%)10048(Top 82%)10048(Top 184%)
Half13.11 mi0.68 mi23828-1139598-729598-7225522(Top 90%)10558(Top 86%)10558(Top 193%)
25K15.53 mi2.42 mi24187-3599812-2149812-21425372(Top 89%)10501(Top 86%)10501(Top 192%)
30K18.64 mi3.11 mi24533-34610022-21010022-21025474(Top 90%)10658(Top 87%)10658(Top 195%)
20M20.00 mi1.36 mi24541-810036-1410036-1424411(Top 86%)10177(Top 83%)10177(Top 186%)
21M21.00 mi1.00 mi24700-15910140-10410140-10426400(Top 93%)11262(Top 92%)11262(Top 206%)
35K21.75 mi0.75 mi24925-22510270-13010270-13027935(Top 98%)12057(Top 99%)12057(Top 220%)
23M23.00 mi1.25 mi24963-3810312-4210312-4225270(Top 89%)10744(Top 88%)10744(Top 196%)
24M24.00 mi1.00 mi24979-1610329-1710329-1725197(Top 89%)10726(Top 88%)10726(Top 196%)
40K24.85 mi0.85 mi24968+1110338-910338-924700(Top 87%)10530(Top 86%)10530(Top 193%)
25.2M25.20 mi0.35 mi24959+910333+510333+523529(Top 83%)9932(Top 81%)9932(Top 182%)
Finish26.22 mi1.02 mi24973-1410345-1210345-1224846(Top 87%)10587(Top 87%)10587(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23787

Females

9537

F18-39

9537

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23083

Females

9179

F18-39

9179

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23787

Females

9537

F18-39

9537

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24596

Females

10048

F18-39

10048

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25522

Females

10558

F18-39

10558

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25372

Females

10501

F18-39

10501

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25474

Females

10658

F18-39

10658

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24411

Females

10177

F18-39

10177

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26400

Females

11262

F18-39

11262

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27935

Females

12057

F18-39

12057

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25270

Females

10744

F18-39

10744

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25197

Females

10726

F18-39

10726

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24700

Females

10530

F18-39

10530

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23529

Females

9932

F18-39

9932

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24846

Females

10587

F18-39

10587

Passing Analysis

Category:
Athletes Passed
631
Passed By
2828
Net Change
-2197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22776
5K → 10K182330-148#22776#22924
10K → 15K73442-369#22924#23293
15K → 20K57479-422#23293#23715
20K → Half5118-113#23715#23828
Half → 25K37396-359#23828#24187
25K → 30K50396-346#24187#24533
30K → 20M4856-8#24533#24541
20M → 21M25184-159#24541#24700
21M → 35K3228-225#24700#24925
35K → 23M3674-38#24925#24963
23M → 24M2844-16#24963#24979
24M → 40K4130+11#24979#24968
40K → 25.2M1910+9#24968#24959
25.2M → Finish2741-14#24959#24973
TOTALS6312828-2197
📊

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