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BOSTON MARATHON 2025

Alaina Geren

MO

Bib: 16383 F

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 30%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:21/mi
22:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:24/mi
45:49
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:25/mi
1:08:51
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:29/mi
1:32:07
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:23/mi
1:37:09
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:27/mi
1:55:12
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:39/mi
2:18:59
↑ 181↓ 1480.2%
138 ft elev
20M
7:52/mi
2:29:40
↑ 64↓ 500.2%
148 ft elev
21M
8:05/mi
2:37:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:52/mi
2:43:38
↑ 17↓ 861.7%
156 ft elev
23M
7:57/mi
2:53:35
↑ 23↓ 630.6%
116 ft elev
24M
7:56/mi
3:01:31
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:51/mi
3:08:14
↓ 200.3%
20 ft elev
25.2M
8:01/mi
3:11:00
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:03/mi
3:18:11
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:37:097:25 /mi⚡ faster
2nd Half
1:41:027:42 /mi+4.0%
Positive split — 4.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:507:213.11 mi22:50
7:21
-
10K
45:497:223.10 mi22:59
7:24
+0:03
15K
1:08:517:233.11 mi23:02
7:25
+0:01
20K
1:32:077:253.11 mi23:16
7:29
+0:04
Half(13.11 mi)
1:37:097:250.68 mi5:02
7:23
-0:06
25K
1:55:127:252.42 mi18:03
7:27
+0:04
30K
2:18:597:273.11 mi23:47
7:39
+0:12
20M
2:29:407:291.36 mi10:41
7:52
+0:13
21M
2:37:457:311.00 mi8:05
8:05
+0:13
35K
2:43:387:310.75 mi5:53
7:52
-0:13
23M
2:53:357:331.25 mi9:57
7:57
+0:05
24M
3:01:317:341.00 mi7:56
7:56
-0:01
40K
3:08:147:340.85 mi6:43
7:51
-0:05
25.2M
3:11:007:350.35 mi2:46
8:01
+0:10
Finish(26.22 mi)
3:18:117:341.02 mi7:11
7:03
-0:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:03 /mi

Average Pace

7:34 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:26:10

74% of race

Time at Steady Pace

52:01

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10861221122111100923782378
10K6.21 mi3.10 mi10993-1322299-882299-881116824012401
15K9.32 mi3.11 mi10944+492289+102289+101100923782378
20K12.43 mi3.11 mi10866+782270+192270+191067622992299
Half13.11 mi0.68 mi10845+212264+62264+61071722822282
25K15.53 mi2.42 mi10584+2612174+902174+90952018871887
30K18.64 mi3.11 mi10205+3792062+1122062+112887717831783
20M20.00 mi1.36 mi10086+1192027+352027+35947121962196
21M21.00 mi1.00 mi9903+1831979+481979+48788116781678
35K21.75 mi0.75 mi9946-432038-592038-591130032523252
23M23.00 mi1.25 mi9923+232073-352073-35964325622562
24M24.00 mi1.00 mi9912+112097-242097-241077831773177
40K24.85 mi0.85 mi9855+572109-122109-12920225462546
25.2M25.20 mi0.35 mi9771+842087+222087+22617113291329
Finish26.22 mi1.02 mi9579+1922037+502037+50609812951295

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11009

Females

2378

F18-39

2378

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11168

Females

2401

F18-39

2401

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11009

Females

2378

F18-39

2378

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10676

Females

2299

F18-39

2299

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10717

Females

2282

F18-39

2282

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9520

Females

1887

F18-39

1887

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8877

Females

1783

F18-39

1783

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9471

Females

2196

F18-39

2196

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7881

Females

1678

F18-39

1678

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11300

Females

3252

F18-39

3252

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9643

Females

2562

F18-39

2562

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10778

Females

3177

F18-39

3177

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9202

Females

2546

F18-39

2546

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6171

Females

1329

F18-39

1329

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6098

Females

1295

F18-39

1295

Passing Analysis

Category:
Athletes Passed
2395*
Passed By
1109
Net Change
+1282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10861
5K → 10K205337-132#10861#10993
10K → 15K196147+49#10993#10944
15K → 20K201123+78#10944#10866
20K → Half4423+21#10866#10845
Half → 25K30039+261#10845#10584
25K → 30K42242+379#10584#10205
30K → 20M17556+119#10205#10086
20M → 21M209*26+183#10086#9903
21M → 35K58100-43#9903#9946
35K → 23M10985+23#9946#9923
23M → 24M8776+11#9923#9912
24M → 40K10345+57#9912#9855
40K → 25.2M906+84#9855#9771
25.2M → Finish1964+192#9771#9579
TOTALS2395*1109+1282

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

Passing Charts

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