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BOSTON MARATHON 2025

Linda Li

Bib: 18191•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 27%
Masters (Masters Women)
#0 / 6759
Top 12%
Division (F45-49)
#0 / 1813
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:21
Rank: #12388
Start → 5K
23:21 | 7:31/mi
10K· 6.21 mi
46:48
Rank: #12425 (-37)
5K → 10K
23:27 | 7:33/mi
15K· 9.32 mi
1:10:28
Rank: #12516 (-91)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:34:24
Rank: #12466 (+50)
15K → 20K
23:56 | 7:42/mi
Half· 13.11 mi
1:39:33
Rank: #12448 (+18)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:31
Rank: #12430 (+18)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:23:28
Rank: #12238 (+192)
25K → 30K
24:57 | 8:02/mi
20M
2:34:48
Rank: #12244 (-6)
30K → 20M
11:20 | 8:20/mi
21M
2:43:33
Rank: #12207 (+37)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:49:29
Rank: #12173 (+34)
21M → 35K
5:56 | 7:56/mi
23M
2:59:57
Rank: #12153 (+20)
35K → 23M
10:28 | 8:22/mi
24M
3:08:15
Rank: #12203 (-50)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:15:13
Rank: #12139 (+64)
24M → 40K
6:58 | 8:09/mi
25.2M
3:18:17
Rank: #12102 (+37)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:26:11
Rank: #12054 (+48)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:46:38
Pace8:08 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2423:217:3123:21
7:31
-
10K
6.21 mi11:39:5146:487:3223:27
7:33
+0:02
15K
9.32 mi12:03:311:10:287:3423:40
7:37
+0:04
20K
12.43 mi12:27:271:34:247:3623:56
7:42
+0:05
Half
13.11 mi12:32:361:39:337:365:09
7:33
-0:09
25K
15.53 mi12:51:341:58:317:3818:58
7:49
+0:16
30K
18.64 mi13:16:312:23:287:4224:57
8:02
+0:13
20M
20.00 mi13:27:512:34:487:4411:20
8:20
+0:18
21M
21.00 mi13:36:362:43:337:478:45
8:45
+0:25
35K
21.75 mi13:42:322:49:297:485:56
7:56
-0:49
23M
23.00 mi13:53:002:59:577:4910:28
8:22
+0:26
24M
24.00 mi14:01:183:08:157:518:18
8:18
-0:04
40K
24.85 mi14:08:163:15:137:516:58
8:09
-0:09
25.2M
25.20 mi14:11:203:18:177:523:04
8:54
+0:45
Finish
26.22 mi14:19:143:26:117:527:54
7:45
-1:09

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

7:31 /mi

Average Pace

7:52 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:16

80% of race

Time at Steady Pace

38:51

19% of race

Time at Slower Pace

3:04

1% of race

Average Pace: 7:52 /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 mi11:16:2423:217:3123:21
7:31
#12388
10K
6.21 mi11:39:5146:487:3223:27
7:33
#12425
15K
9.32 mi12:03:311:10:287:3423:40
7:37
#12516
20K
12.43 mi12:27:271:34:247:3623:56
7:42
#12466
Half
13.11 mi12:32:361:39:337:365:09
7:33
#12448
25K
15.53 mi12:51:341:58:317:3818:58
7:49
#12430
30K
18.64 mi13:16:312:23:287:4224:57
8:02
#12238
20M
20.00 mi13:27:512:34:487:4411:20
8:20
#12244
21M
21.00 mi13:36:362:43:337:478:45
8:45
#12207
35K
21.75 mi13:42:322:49:297:485:56
7:56
#12173
23M
23.00 mi13:53:002:59:577:4910:28
8:22
#12153
24M
24.00 mi14:01:183:08:157:518:18
8:18
#12203
40K
24.85 mi14:08:163:15:137:516:58
8:09
#12139
25.2M
25.20 mi14:11:203:18:177:523:04
8:54
#12102
Finish
26.22 mi14:19:143:26:117:527:54
7:45
#12054
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi123883008300812759(Top 45%)3312(Top 27%)3312(Top 183%)
10K6.21 mi3.10 mi12425-373024-163024-1612557(Top 44%)3124(Top 26%)3124(Top 172%)
15K9.32 mi3.11 mi12516-913113-893113-8912759(Top 45%)3312(Top 27%)3312(Top 183%)
20K12.43 mi3.11 mi12466+503127-143127-1412455(Top 44%)3252(Top 27%)3252(Top 179%)
Half13.11 mi0.68 mi12448+183122+53122+512208(Top 43%)3069(Top 25%)3069(Top 169%)
25K15.53 mi2.42 mi12430+183156-343156-3412546(Top 44%)3422(Top 28%)3422(Top 189%)
30K18.64 mi3.11 mi12238+1923123+333123+3311622(Top 41%)3106(Top 25%)3106(Top 171%)
20M20.00 mi1.36 mi12244-63167-443167-4412771(Top 45%)3837(Top 31%)3837(Top 212%)
21M21.00 mi1.00 mi12207+373187-203187-2012003(Top 42%)3596(Top 29%)3596(Top 198%)
35K21.75 mi0.75 mi12173+343194-73194-711803(Top 42%)3542(Top 29%)3542(Top 195%)
23M23.00 mi1.25 mi12153+203215-213215-2112436(Top 44%)3966(Top 32%)3966(Top 219%)
24M24.00 mi1.00 mi12203-503276-613276-6113273(Top 47%)4448(Top 36%)4448(Top 245%)
40K24.85 mi0.85 mi12139+643273+33273+311241(Top 40%)3525(Top 29%)3525(Top 194%)
25.2M25.20 mi0.35 mi12102+373276-33276-311247(Top 40%)3621(Top 30%)3621(Top 200%)
Finish26.22 mi1.02 mi12054+483274+23274+211120(Top 39%)3518(Top 29%)3518(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12759

Females

3312

F45-49

3312

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12557

Females

3124

F45-49

3124

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12759

Females

3312

F45-49

3312

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12455

Females

3252

F45-49

3252

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12208

Females

3069

F45-49

3069

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12546

Females

3422

F45-49

3422

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11622

Females

3106

F45-49

3106

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12771

Females

3837

F45-49

3837

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

12003

Females

3596

F45-49

3596

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11803

Females

3542

F45-49

3542

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12436

Females

3966

F45-49

3966

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13273

Females

4448

F45-49

4448

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11241

Females

3525

F45-49

3525

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11247

Females

3621

F45-49

3621

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11120

Females

3518

F45-49

3518

Passing Analysis

Category:
Athletes Passed
1872
Passed By
1538
Net Change
+334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12388
5K → 10K249286-37#12388#12425
10K → 15K144235-91#12425#12516
15K → 20K210160+50#12516#12466
20K → Half3618+18#12466#12448
Half → 25K167149+18#12448#12430
25K → 30K329137+192#12430#12238
30K → 20M122128-6#12238#12244
20M → 21M11982+37#12244#12207
21M → 35K7541+34#12207#12173
35K → 23M11595+20#12173#12153
23M → 24M57107-50#12153#12203
24M → 40K10137+64#12203#12139
40K → 25.2M5619+37#12139#12102
25.2M → Finish9244+48#12102#12054
TOTALS18721538+334
📊

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