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BOSTON MARATHON 2025

Jennifer Thurston

Bib: 24236•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:19
Rank: #21488
Start → 5K
27:19 | 8:48/mi
10K· 6.21 mi
54:43
Rank: #21479 (+9)
5K → 10K
27:24 | 8:49/mi
15K· 9.32 mi
1:21:57
Rank: #21216 (+263)
10K → 15K
27:14 | 8:46/mi
20K· 12.43 mi
1:49:19
Rank: #20912 (+304)
15K → 20K
27:22 | 8:49/mi
Half· 13.11 mi
1:55:16
Rank: #20886 (+26)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:16:39
Rank: #20613 (+273)
Half → 25K
21:23 | 8:49/mi
30K· 18.64 mi
2:44:39
Rank: #20052 (+561)
25K → 30K
28:00 | 9:01/mi
20M
2:56:57
Rank: #19821 (+231)
30K → 20M
12:18 | 9:03/mi
21M
3:06:32
Rank: #19617 (+204)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:13:11
Rank: #19545 (+72)
21M → 35K
6:39 | 8:53/mi
23M
3:24:33
Rank: #19374 (+171)
35K → 23M
11:22 | 9:05/mi
24M
3:33:32
Rank: #19281 (+93)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:41:16
Rank: #19176 (+105)
24M → 40K
7:44 | 9:03/mi
25.2M
3:44:43
Rank: #19120 (+56)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:53:50
Rank: #19099 (+21)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:16
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time1:58:34
Pace9:03 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4327:198:4827:19
8:48
-
10K
6.21 mi11:54:0754:438:4827:24
8:49
+0:01
15K
9.32 mi12:21:211:21:578:4827:14
8:46
-0:03
20K
12.43 mi12:48:431:49:198:4827:22
8:49
+0:03
Half
13.11 mi12:54:401:55:168:485:57
8:43
-0:06
25K
15.53 mi13:16:032:16:398:4821:23
8:49
+0:06
30K
18.64 mi13:44:032:44:398:5028:00
9:01
+0:12
20M
20.00 mi13:56:212:56:578:5112:18
9:03
+0:02
21M
21.00 mi14:05:563:06:328:539:35
9:35
+0:32
35K
21.75 mi14:12:353:13:118:536:39
8:53
-0:42
23M
23.00 mi14:23:573:24:338:5411:22
9:05
+0:12
24M
24.00 mi14:32:563:33:328:548:59
8:59
-0:06
40K
24.85 mi14:40:403:41:168:547:44
9:03
+0:04
25.2M
25.20 mi14:44:073:44:438:553:27
10:00
+0:57
Finish
26.22 mi14:53:143:53:508:559:07
8:57
-1:03

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

8:43 /mi

Average Pace

8:55 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:23

99% of race

Time at Steady Pace

3:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi11:26:4327:198:4827:19
8:48
#21488
10K
6.21 mi11:54:0754:438:4827:24
8:49
#21479
15K
9.32 mi12:21:211:21:578:4827:14
8:46
#21216
20K
12.43 mi12:48:431:49:198:4827:22
8:49
#20912
Half
13.11 mi12:54:401:55:168:485:57
8:43
#20886
25K
15.53 mi13:16:032:16:398:4821:23
8:49
#20613
30K
18.64 mi13:44:032:44:398:5028:00
9:01
#20052
20M
20.00 mi13:56:212:56:578:5112:18
9:03
#19821
21M
21.00 mi14:05:563:06:328:539:35
9:35
#19617
35K
21.75 mi14:12:353:13:118:536:39
8:53
#19545
23M
23.00 mi14:23:573:24:338:5411:22
9:05
#19374
24M
24.00 mi14:32:563:33:328:548:59
8:59
#19281
40K
24.85 mi14:40:403:41:168:547:44
9:03
#19176
25.2M
25.20 mi14:44:073:44:438:553:27
10:00
#19120
Finish
26.22 mi14:53:143:53:508:559:07
8:57
#19099
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi214888355835520853(Top 73%)7917(Top 65%)7917(Top 796%)
10K6.21 mi3.10 mi21479+98326+298326+2921495(Top 76%)8305(Top 68%)8305(Top 836%)
15K9.32 mi3.11 mi21216+2638156+1708156+17020853(Top 73%)7917(Top 65%)7917(Top 796%)
20K12.43 mi3.11 mi20912+3047982+1747982+17419983(Top 70%)7468(Top 61%)7468(Top 751%)
Half13.11 mi0.68 mi20886+267969+137969+1320496(Top 72%)7744(Top 63%)7744(Top 779%)
25K15.53 mi2.42 mi20613+2737833+1367833+13619038(Top 67%)6996(Top 57%)6996(Top 704%)
30K18.64 mi3.11 mi20052+5617553+2807553+28017768(Top 63%)6456(Top 53%)6456(Top 649%)
20M20.00 mi1.36 mi19821+2317446+1077446+10717098(Top 60%)6200(Top 51%)6200(Top 624%)
21M21.00 mi1.00 mi19617+2047356+907356+9016496(Top 58%)5984(Top 49%)5984(Top 602%)
35K21.75 mi0.75 mi19545+727332+247332+2417743(Top 62%)6767(Top 55%)6767(Top 681%)
23M23.00 mi1.25 mi19374+1717270+627270+6216731(Top 59%)6298(Top 52%)6298(Top 634%)
24M24.00 mi1.00 mi19281+937238+327238+3217316(Top 61%)6664(Top 54%)6664(Top 670%)
40K24.85 mi0.85 mi19176+1057193+457193+4516618(Top 59%)6388(Top 52%)6388(Top 643%)
25.2M25.20 mi0.35 mi19120+567173+207173+2017131(Top 60%)6669(Top 55%)6669(Top 671%)
Finish26.22 mi1.02 mi19099+217182-97182-918786(Top 66%)7482(Top 61%)7482(Top 753%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20853

Females

7917

F55-59

7917

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21495

Females

8305

F55-59

8305

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20853

Females

7917

F55-59

7917

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19983

Females

7468

F55-59

7468

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20496

Females

7744

F55-59

7744

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19038

Females

6996

F55-59

6996

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17768

Females

6456

F55-59

6456

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17098

Females

6200

F55-59

6200

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16496

Females

5984

F55-59

5984

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17743

Females

6767

F55-59

6767

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16731

Females

6298

F55-59

6298

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17316

Females

6664

F55-59

6664

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16618

Females

6388

F55-59

6388

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17131

Females

6669

F55-59

6669

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18786

Females

7482

F55-59

7482

Passing Analysis

Category:
Athletes Passed
3022
Passed By
633
Net Change
+2389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21488
5K → 10K283274+9#21488#21479
10K → 15K35794+263#21479#21216
15K → 20K35551+304#21216#20912
20K → Half4317+26#20912#20886
Half → 25K30734+273#20886#20613
25K → 30K57918+561#20613#20052
30K → 20M24312+231#20052#19821
20M → 21M22319+204#19821#19617
21M → 35K8816+72#19617#19545
35K → 23M18817+171#19545#19374
23M → 24M11320+93#19374#19281
24M → 40K12419+105#19281#19176
40K → 25.2M615+56#19176#19120
25.2M → Finish5837+21#19120#19099
TOTALS3022633+2389
📊

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