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BOSTON MARATHON 2025

Ling Li Ding

Bib: 13385•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F55-59)
#0 / 994
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #17021
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
50:05
Rank: #16977 (+44)
5K → 10K
25:04 | 8:04/mi
15K· 9.32 mi
1:14:52
Rank: #16579 (+398)
10K → 15K
24:47 | 7:59/mi
20K· 12.43 mi
1:39:51
Rank: #16204 (+375)
15K → 20K
24:59 | 8:02/mi
Half· 13.11 mi
1:45:21
Rank: #16205 (-1)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:05:04
Rank: #15952 (+253)
Half → 25K
19:43 | 8:08/mi
30K· 18.64 mi
2:31:29
Rank: #15715 (+237)
25K → 30K
26:25 | 8:30/mi
20M
2:43:03
Rank: #15500 (+215)
30K → 20M
11:34 | 8:31/mi
21M
2:52:01
Rank: #15336 (+164)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:58:12
Rank: #15252 (+84)
21M → 35K
6:11 | 8:16/mi
23M
3:08:55
Rank: #15127 (+125)
35K → 23M
10:43 | 8:34/mi
24M
3:17:02
Rank: #14950 (+177)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:24:03
Rank: #14810 (+140)
24M → 40K
7:01 | 8:12/mi
25.2M
3:27:11
Rank: #14760 (+50)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:35:03
Rank: #14583 (+177)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:21
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:49:42
Pace8:22 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4025:018:0325:01
8:03
-
10K
6.21 mi11:20:4450:058:0425:04
8:04
+0:01
15K
9.32 mi11:45:311:14:528:0224:47
7:59
-0:05
20K
12.43 mi12:10:301:39:518:0224:59
8:02
+0:03
Half
13.11 mi12:16:001:45:218:025:30
8:04
+0:02
25K
15.53 mi12:35:432:05:048:0319:43
8:08
+0:04
30K
18.64 mi13:02:082:31:298:0826:25
8:30
+0:22
20M
20.00 mi13:13:422:43:038:0911:34
8:31
+0:01
21M
21.00 mi13:22:402:52:018:118:58
8:58
+0:27
35K
21.75 mi13:28:512:58:128:126:11
8:16
-0:42
23M
23.00 mi13:39:343:08:558:1310:43
8:34
+0:18
24M
24.00 mi13:47:413:17:028:138:07
8:07
-0:27
40K
24.85 mi13:54:423:24:038:137:01
8:12
+0:05
25.2M
25.20 mi13:57:503:27:118:133:08
9:05
+0:53
Finish
26.22 mi14:05:423:35:038:127:52
7:43
-1:22

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

7:43 /mi

Average Pace

8:12 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:15

72% of race

Time at Steady Pace

1:00:48

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi10:55:4025:018:0325:01
8:03
#17021
10K
6.21 mi11:20:4450:058:0425:04
8:04
#16977
15K
9.32 mi11:45:311:14:528:0224:47
7:59
#16579
20K
12.43 mi12:10:301:39:518:0224:59
8:02
#16204
Half
13.11 mi12:16:001:45:218:025:30
8:04
#16205
25K
15.53 mi12:35:432:05:048:0319:43
8:08
#15952
30K
18.64 mi13:02:082:31:298:0826:25
8:30
#15715
20M
20.00 mi13:13:422:43:038:0911:34
8:31
#15500
21M
21.00 mi13:22:402:52:018:118:58
8:58
#15336
35K
21.75 mi13:28:512:58:128:126:11
8:16
#15252
23M
23.00 mi13:39:343:08:558:1310:43
8:34
#15127
24M
24.00 mi13:47:413:17:028:138:07
8:07
#14950
40K
24.85 mi13:54:423:24:038:137:01
8:12
#14810
25.2M
25.20 mi13:57:503:27:118:133:08
9:05
#14760
Finish
26.22 mi14:05:423:35:038:127:52
7:43
#14583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi170215745574515877(Top 56%)5079(Top 42%)5079(Top 511%)
10K6.21 mi3.10 mi16977+445712+335712+3316978(Top 60%)5690(Top 47%)5690(Top 572%)
15K9.32 mi3.11 mi16579+3985473+2395473+23915877(Top 56%)5079(Top 42%)5079(Top 511%)
20K12.43 mi3.11 mi16204+3755275+1985275+19815228(Top 54%)4767(Top 39%)4767(Top 480%)
Half13.11 mi0.68 mi16205-15276-15276-116382(Top 58%)5387(Top 44%)5387(Top 542%)
25K15.53 mi2.42 mi15952+2535135+1415135+14114853(Top 52%)4671(Top 38%)4671(Top 470%)
30K18.64 mi3.11 mi15715+2375062+735062+7314772(Top 52%)4778(Top 39%)4778(Top 481%)
20M20.00 mi1.36 mi15500+2154971+914971+9113894(Top 49%)4460(Top 36%)4460(Top 449%)
21M21.00 mi1.00 mi15336+1644913+584913+5813336(Top 47%)4289(Top 35%)4289(Top 431%)
35K21.75 mi0.75 mi15252+844878+354878+3514076(Top 50%)4712(Top 39%)4712(Top 474%)
23M23.00 mi1.25 mi15127+1254843+354843+3513683(Top 48%)4634(Top 38%)4634(Top 466%)
24M24.00 mi1.00 mi14950+1774777+664777+6612062(Top 42%)3841(Top 31%)3841(Top 386%)
40K24.85 mi0.85 mi14810+1404724+534724+5311638(Top 41%)3730(Top 31%)3730(Top 375%)
25.2M25.20 mi0.35 mi14760+504701+234701+2312374(Top 44%)4173(Top 34%)4173(Top 420%)
Finish26.22 mi1.02 mi14583+1774643+584643+5810889(Top 38%)3410(Top 28%)3410(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15877

Females

5079

F55-59

5079

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16978

Females

5690

F55-59

5690

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15877

Females

5079

F55-59

5079

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15228

Females

4767

F55-59

4767

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16382

Females

5387

F55-59

5387

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14853

Females

4671

F55-59

4671

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14772

Females

4778

F55-59

4778

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13894

Females

4460

F55-59

4460

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13336

Females

4289

F55-59

4289

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14076

Females

4712

F55-59

4712

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13683

Females

4634

F55-59

4634

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

12062

Females

3841

F55-59

3841

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11638

Females

3730

F55-59

3730

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12374

Females

4173

F55-59

4173

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10889

Females

3410

F55-59

3410

Passing Analysis

Category:
Athletes Passed
3151
Passed By
713
Net Change
+2438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17021
5K → 10K321277+44#17021#16977
10K → 15K43941+398#16977#16579
15K → 20K43459+375#16579#16204
20K → Half2425-1#16204#16205
Half → 25K29643+253#16205#15952
25K → 30K347110+237#15952#15715
30K → 20M23722+215#15715#15500
20M → 21M19329+164#15500#15336
21M → 35K10824+84#15336#15252
35K → 23M16439+125#15252#15127
23M → 24M19215+177#15127#14950
24M → 40K1477+140#14950#14810
40K → 25.2M6010+50#14810#14760
25.2M → Finish18912+177#14760#14583
TOTALS3151713+2438
📊

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