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BOSTON MARATHON 2025

Lindsey Thornton

Bib: 18960•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
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
7:16/mi
22:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
45:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:09:33
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:33:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:38:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
1:58:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:23:52
↑ 181↓ 1480.2%
20M
7:59/mi
2:34:43
↑ 64↓ 500.2%
21M
8:25/mi
2:43:08
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:48:48
↑ 17↓ 861.7%
23M
8:04/mi
2:58:54
↑ 23↓ 630.6%
24M
8:06/mi
3:07:00
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:14:14
↓ 200.3%
25.2M
9:08/mi
3:17:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:25:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:46:43
Pace8:08 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1322:357:1622:35
7:16
-
10K
6.21 mi11:36:3445:567:2423:21
7:31
+0:15
15K
9.32 mi12:00:111:09:337:2823:37
7:36
+0:05
20K
12.43 mi12:24:101:33:327:3223:59
7:43
+0:07
Half
13.11 mi12:29:261:38:487:325:16
7:43
0:00
25K
15.53 mi12:48:581:58:207:3719:32
8:03
+0:20
30K
18.64 mi13:14:302:23:527:4325:32
8:13
+0:10
20M
20.00 mi13:25:212:34:437:4410:51
7:59
-0:14
21M
21.00 mi13:33:462:43:087:468:25
8:25
+0:26
35K
21.75 mi13:39:262:48:487:465:40
7:34
-0:51
23M
23.00 mi13:49:322:58:547:4710:06
8:04
+0:30
24M
24.00 mi13:57:383:07:007:488:06
8:06
+0:02
40K
24.85 mi14:04:523:14:147:497:14
8:28
+0:22
25.2M
25.20 mi14:08:013:17:237:503:09
9:08
+0:40
Finish
26.22 mi14:16:093:25:317:518:08
7:59
-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

7:16 /mi

Average Pace

7:51 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:28

51% of race

Time at Steady Pace

56:43

28% of race

Time at Slower Pace

44:20

22% of race

Average Pace: 7:50 /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 mi11:13:1322:357:1622:35
7:16
#10067
10K
6.21 mi11:36:3445:567:2423:21
7:31
#11185
15K
9.32 mi12:00:111:09:337:2823:37
7:36
#11648
20K
12.43 mi12:24:101:33:327:3223:59
7:43
#11867
Half
13.11 mi12:29:261:38:487:325:16
7:43
#11961
25K
15.53 mi12:48:581:58:207:3719:32
8:03
#12344
30K
18.64 mi13:14:302:23:527:4325:32
8:13
#12416
20M
20.00 mi13:25:212:34:437:4410:51
7:59
#12205
21M
21.00 mi13:33:462:43:087:468:25
8:25
#12038
35K
21.75 mi13:39:262:48:487:465:40
7:34
#11910
23M
23.00 mi13:49:322:58:547:4710:06
8:04
#11798
24M
24.00 mi13:57:383:07:007:488:06
8:06
#11783
40K
24.85 mi14:04:523:14:147:497:14
8:28
#11814
25.2M
25.20 mi14:08:013:17:237:503:09
9:08
#11828
Finish
26.22 mi14:16:093:25:317:518:08
7:59
#11845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi100671839183912614(Top 44%)3226(Top 26%)3226(Top 59%)
10K6.21 mi3.10 mi11185-11182391-5522391-55212268(Top 43%)2965(Top 24%)2965(Top 54%)
15K9.32 mi3.11 mi11648-4632649-2582649-25812614(Top 44%)3226(Top 26%)3226(Top 59%)
20K12.43 mi3.11 mi11867-2192799-1502799-15012601(Top 44%)3325(Top 27%)3325(Top 61%)
Half13.11 mi0.68 mi11961-942856-572856-5713573(Top 48%)3795(Top 31%)3795(Top 69%)
25K15.53 mi2.42 mi12344-3833101-2453101-24514324(Top 50%)4377(Top 36%)4377(Top 80%)
30K18.64 mi3.11 mi12416-723223-1223223-12212961(Top 46%)3805(Top 31%)3805(Top 70%)
20M20.00 mi1.36 mi12205+2113142+813142+8110376(Top 37%)2627(Top 21%)2627(Top 48%)
21M21.00 mi1.00 mi12038+1673089+533089+539984(Top 35%)2607(Top 21%)2607(Top 48%)
35K21.75 mi0.75 mi11910+1283047+423047+429236(Top 33%)2258(Top 18%)2258(Top 41%)
23M23.00 mi1.25 mi11798+1123027+203027+2010537(Top 37%)3012(Top 25%)3012(Top 55%)
24M24.00 mi1.00 mi11783+153064-373064-3711918(Top 42%)3757(Top 31%)3757(Top 69%)
40K24.85 mi0.85 mi11814-313109-453109-4513191(Top 46%)4536(Top 37%)4536(Top 83%)
25.2M25.20 mi0.35 mi11828-143135-263135-2612587(Top 44%)4266(Top 35%)4266(Top 78%)
Finish26.22 mi1.02 mi11845-173177-423177-4212768(Top 45%)4311(Top 35%)4311(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12614

Females

3226

F18-39

3226

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12268

Females

2965

F18-39

2965

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12614

Females

3226

F18-39

3226

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12601

Females

3325

F18-39

3325

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13573

Females

3795

F18-39

3795

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14324

Females

4377

F18-39

4377

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12961

Females

3805

F18-39

3805

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10376

Females

2627

F18-39

2627

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9984

Females

2607

F18-39

2607

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9236

Females

2258

F18-39

2258

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10537

Females

3012

F18-39

3012

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11918

Females

3757

F18-39

3757

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13191

Females

4536

F18-39

4536

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12587

Females

4266

F18-39

4266

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12768

Females

4311

F18-39

4311

Passing Analysis

Category:
Athletes Passed
1523
Passed By
3300
Net Change
-1778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10067
5K → 10K281145-1118#10067#11185
10K → 15K81544-463#11185#11648
15K → 20K120339-219#11648#11867
20K → Half17111-94#11867#11961
Half → 25K74457-383#11961#12344
25K → 30K215287-72#12344#12416
30K → 20M22918+211#12416#12205
20M → 21M20134+167#12205#12038
21M → 35K1379+128#12038#11910
35K → 23M16351+112#11910#11798
23M → 24M8671+15#11798#11783
24M → 40K6899-31#11783#11814
40K → 25.2M3953-14#11814#11828
25.2M → Finish6582-17#11828#11845
TOTALS15233300-1778
📊

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