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BOSTON MARATHON 2025

Laura Fox

Bib: 16163•F

GA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:21
Rank: #15144
Start → 5K
24:21 | 7:50/mi
10K· 6.21 mi
48:05
Rank: #14230 (+914)
5K → 10K
23:44 | 7:38/mi
15K· 9.32 mi
1:11:19
Rank: #13329 (+901)
10K → 15K
23:14 | 7:29/mi
20K· 12.43 mi
1:34:12
Rank: #12316 (+1013)
15K → 20K
22:53 | 7:22/mi
Half· 13.11 mi
1:39:09
Rank: #12189 (+127)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:56:57
Rank: #11576 (+613)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:20:37
Rank: #10976 (+600)
25K → 30K
23:40 | 7:37/mi
20M
2:31:11
Rank: #10765 (+211)
30K → 20M
10:34 | 7:47/mi
21M
2:39:18
Rank: #10572 (+193)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:44:58
Rank: #10492 (+80)
21M → 35K
5:40 | 7:34/mi
23M
2:54:44
Rank: #10325 (+167)
35K → 23M
9:46 | 7:48/mi
24M
3:02:27
Rank: #10235 (+90)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:09:02
Rank: #10127 (+108)
24M → 40K
6:35 | 7:42/mi
25.2M
3:11:47
Rank: #10028 (+99)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:18:54
Rank: #9787 (+241)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:45
Pace7:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5524:217:5024:21
7:50
-
10K
6.21 mi11:21:3948:057:4423:44
7:38
-0:12
15K
9.32 mi11:44:531:11:197:3923:14
7:29
-0:09
20K
12.43 mi12:07:461:34:127:3522:53
7:22
-0:07
Half
13.11 mi12:12:431:39:097:344:57
7:15
-0:07
25K
15.53 mi12:30:311:56:577:3217:48
7:20
+0:05
30K
18.64 mi12:54:112:20:377:3323:40
7:37
+0:17
20M
20.00 mi13:04:452:31:117:3410:34
7:47
+0:10
21M
21.00 mi13:12:522:39:187:358:07
8:07
+0:20
35K
21.75 mi13:18:322:44:587:355:40
7:34
-0:33
23M
23.00 mi13:28:182:54:447:369:46
7:48
+0:14
24M
24.00 mi13:36:013:02:277:367:43
7:43
-0:05
40K
24.85 mi13:42:363:09:027:366:35
7:42
-0:01
25.2M
25.20 mi13:45:213:11:477:372:45
7:58
+0:16
Finish
26.22 mi13:52:283:18:547:357:07
6:59
-0:59

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

6:59 /mi

Average Pace

7:35 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:03

65% of race

Time at Steady Pace

1:09:51

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:57:5524:217:5024:21
7:50
#15144
10K
6.21 mi11:21:3948:057:4423:44
7:38
#14230
15K
9.32 mi11:44:531:11:197:3923:14
7:29
#13329
20K
12.43 mi12:07:461:34:127:3522:53
7:22
#12316
Half
13.11 mi12:12:431:39:097:344:57
7:15
#12189
25K
15.53 mi12:30:311:56:577:3217:48
7:20
#11576
30K
18.64 mi12:54:112:20:377:3323:40
7:37
#10976
20M
20.00 mi13:04:452:31:117:3410:34
7:47
#10765
21M
21.00 mi13:12:522:39:187:358:07
8:07
#10572
35K
21.75 mi13:18:322:44:587:355:40
7:34
#10492
23M
23.00 mi13:28:182:54:447:369:46
7:48
#10325
24M
24.00 mi13:36:013:02:277:367:43
7:43
#10235
40K
24.85 mi13:42:363:09:027:366:35
7:42
#10127
25.2M
25.20 mi13:45:213:11:477:372:45
7:58
#10028
Finish
26.22 mi13:52:283:18:547:357:07
6:59
#9787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi151444614461411586(Top 41%)2678(Top 22%)2678(Top 49%)
10K6.21 mi3.10 mi14230+9144072+5424072+54213367(Top 47%)3584(Top 29%)3584(Top 66%)
15K9.32 mi3.11 mi13329+9013590+4823590+48211586(Top 41%)2678(Top 22%)2678(Top 49%)
20K12.43 mi3.11 mi12316+10133038+5523038+5529614(Top 34%)1795(Top 15%)1795(Top 33%)
Half13.11 mi0.68 mi12189+1272981+572981+579686(Top 34%)1814(Top 15%)1814(Top 33%)
25K15.53 mi2.42 mi11576+6132690+2912690+2918699(Top 31%)1505(Top 12%)1505(Top 28%)
30K18.64 mi3.11 mi10976+6002458+2322458+2328603(Top 30%)1649(Top 13%)1649(Top 30%)
20M20.00 mi1.36 mi10765+2112391+672391+678898(Top 31%)1937(Top 16%)1937(Top 35%)
21M21.00 mi1.00 mi10572+1932329+622329+628090(Top 28%)1772(Top 14%)1772(Top 32%)
35K21.75 mi0.75 mi10492+802305+242305+249195(Top 32%)2217(Top 18%)2217(Top 41%)
23M23.00 mi1.25 mi10325+1672273+322273+328612(Top 30%)2090(Top 17%)2090(Top 38%)
24M24.00 mi1.00 mi10235+902260+132260+139239(Top 33%)2437(Top 20%)2437(Top 45%)
40K24.85 mi0.85 mi10127+1082244+162244+168114(Top 29%)2041(Top 17%)2041(Top 37%)
25.2M25.20 mi0.35 mi10028+992204+402204+405903(Top 21%)1229(Top 10%)1229(Top 22%)
Finish26.22 mi1.02 mi9787+2412130+742130+745666(Top 20%)1132(Top 9%)1132(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11586

Females

2678

F18-39

2678

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13367

Females

3584

F18-39

3584

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11586

Females

2678

F18-39

2678

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9614

Females

1795

F18-39

1795

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9686

Females

1814

F18-39

1814

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8699

Females

1505

F18-39

1505

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8603

Females

1649

F18-39

1649

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8898

Females

1937

F18-39

1937

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

8090

Females

1772

F18-39

1772

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9195

Females

2217

F18-39

2217

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8612

Females

2090

F18-39

2090

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9239

Females

2437

F18-39

2437

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8114

Females

2041

F18-39

2041

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5903

Females

1229

F18-39

1229

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5666

Females

1132

F18-39

1132

Passing Analysis

Category:
Athletes Passed
5578*
Passed By
221
Net Change
+5357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15144
5K → 10K96854+914#15144#14230
10K → 15K9076+901#14230#13329
15K → 20K10141+1013#13329#12316
20K → Half1270+127#12316#12189
Half → 25K6152+613#12189#11576
25K → 30K61616+600#11576#10976
30K → 20M23827+211#10976#10765
20M → 21M20916+193#10765#10572
21M → 35K9212+80#10572#10492
35K → 23M19730+167#10492#10325
23M → 24M11929+90#10325#10235
24M → 40K13426+108#10235#10127
40K → 25.2M1001+99#10127#10028
25.2M → Finish242*1+241#10028#9787
TOTALS5578*221+5357

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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