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BOSTON MARATHON 2025

Lauren Firey

Bib: 12605•F

VA

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
7:25/mi
23:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:20
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:57:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:22:30
↑ 181↓ 1480.2%
20M
8:18/mi
2:33:47
↑ 64↓ 500.2%
21M
8:49/mi
2:42:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:48:30
↑ 17↓ 861.7%
23M
8:26/mi
2:59:04
↑ 23↓ 630.6%
24M
8:08/mi
3:07:12
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:14:29
↓ 200.3%
25.2M
9:40/mi
3:17:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:25:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:49
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:48:09
Pace8:15 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4123:017:2523:01
7:25
-
10K
6.21 mi11:13:4646:067:2523:05
7:26
+0:01
15K
9.32 mi11:37:001:09:207:2623:14
7:29
+0:03
20K
12.43 mi12:00:251:32:457:2823:25
7:32
+0:03
Half
13.11 mi12:05:291:37:497:285:04
7:26
-0:06
25K
15.53 mi12:24:411:57:017:3219:12
7:55
+0:29
30K
18.64 mi12:50:102:22:307:3925:29
8:12
+0:17
20M
20.00 mi13:01:272:33:477:4111:17
8:18
+0:06
21M
21.00 mi13:10:162:42:367:458:49
8:49
+0:31
35K
21.75 mi13:16:102:48:307:455:54
7:53
-0:56
23M
23.00 mi13:26:442:59:047:4710:34
8:26
+0:33
24M
24.00 mi13:34:523:07:127:488:08
8:08
-0:18
40K
24.85 mi13:42:093:14:297:497:17
8:31
+0:23
25.2M
25.20 mi13:45:293:17:497:513:20
9:40
+1:09
Finish
26.22 mi13:53:383:25:587:528:09
8:00
-1:40

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

7:25 /mi

Average Pace

7:52 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:49

47% of race

Time at Steady Pace

1:18:09

38% of race

Time at Slower Pace

30:00

15% of race

Average Pace: 7:51 /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 mi10:50:4123:017:2523:01
7:25
#11431
10K
6.21 mi11:13:4646:067:2523:05
7:26
#11417
15K
9.32 mi11:37:001:09:207:2623:14
7:29
#11445
20K
12.43 mi12:00:251:32:457:2823:25
7:32
#11351
Half
13.11 mi12:05:291:37:497:285:04
7:26
#11326
25K
15.53 mi12:24:411:57:017:3219:12
7:55
#11620
30K
18.64 mi12:50:102:22:307:3925:29
8:12
#11776
20M
20.00 mi13:01:272:33:477:4111:17
8:18
#11812
21M
21.00 mi13:10:162:42:367:458:49
8:49
#11836
35K
21.75 mi13:16:102:48:307:455:54
7:53
#11811
23M
23.00 mi13:26:442:59:047:4710:34
8:26
#11857
24M
24.00 mi13:34:523:07:127:488:08
8:08
#11847
40K
24.85 mi13:42:093:14:297:497:17
8:31
#11900
25.2M
25.20 mi13:45:293:17:497:513:20
9:40
#11956
Finish
26.22 mi13:53:383:25:587:528:09
8:00
#11980
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114312500250011594(Top 41%)2686(Top 22%)2686(Top 49%)
10K6.21 mi3.10 mi11417+142510-102510-1011474(Top 40%)2553(Top 21%)2553(Top 47%)
15K9.32 mi3.11 mi11445-282552-422552-4211594(Top 41%)2686(Top 22%)2686(Top 49%)
20K12.43 mi3.11 mi11351+942529+232529+2311092(Top 39%)2523(Top 21%)2523(Top 46%)
Half13.11 mi0.68 mi11326+252515+142515+1411196(Top 39%)2537(Top 21%)2537(Top 46%)
25K15.53 mi2.42 mi11620-2942718-2032718-20313248(Top 47%)3791(Top 31%)3791(Top 69%)
30K18.64 mi3.11 mi11776-1562889-1712889-17112841(Top 45%)3738(Top 31%)3738(Top 68%)
20M20.00 mi1.36 mi11812-362931-422931-4212513(Top 44%)3696(Top 30%)3696(Top 68%)
21M21.00 mi1.00 mi11836-242989-582989-5812421(Top 44%)3814(Top 31%)3814(Top 70%)
35K21.75 mi0.75 mi11811+252997-82997-811493(Top 40%)3365(Top 28%)3365(Top 62%)
23M23.00 mi1.25 mi11857-463066-693066-6912935(Top 46%)4229(Top 35%)4229(Top 77%)
24M24.00 mi1.00 mi11847+103094-283094-2812153(Top 43%)3869(Top 32%)3869(Top 71%)
40K24.85 mi0.85 mi11900-533161-673161-6713558(Top 48%)4724(Top 39%)4724(Top 86%)
25.2M25.20 mi0.35 mi11956-563203-423203-4215448(Top 54%)5772(Top 47%)5772(Top 106%)
Finish26.22 mi1.02 mi11980-243237-343237-3412878(Top 45%)4361(Top 36%)4361(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11594

Females

2686

F18-39

2686

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11474

Females

2553

F18-39

2553

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11594

Females

2686

F18-39

2686

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11092

Females

2523

F18-39

2523

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11196

Females

2537

F18-39

2537

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13248

Females

3791

F18-39

3791

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12841

Females

3738

F18-39

3738

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12513

Females

3696

F18-39

3696

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12421

Females

3814

F18-39

3814

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11493

Females

3365

F18-39

3365

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12935

Females

4229

F18-39

4229

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12153

Females

3869

F18-39

3869

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13558

Females

4724

F18-39

4724

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15448

Females

5772

F18-39

5772

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12878

Females

4361

F18-39

4361

Passing Analysis

Category:
Athletes Passed
1579
Passed By
2128
Net Change
-549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11431
5K → 10K256242+14#11431#11417
10K → 15K174202-28#11417#11445
15K → 20K224130+94#11445#11351
20K → Half4520+25#11351#11326
Half → 25K92386-294#11326#11620
25K → 30K187343-156#11620#11776
30K → 20M102138-36#11776#11812
20M → 21M103127-24#11812#11836
21M → 35K6338+25#11836#11811
35K → 23M102148-46#11811#11857
23M → 24M8373+10#11857#11847
24M → 40K70123-53#11847#11900
40K → 25.2M1672-56#11900#11956
25.2M → Finish6286-24#11956#11980
TOTALS15792128-549
📊

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