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BOSTON MARATHON 2025

Jenna Blouin

MA

Bib: 17918 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Division (F18-39)
#0 / 5469
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
7:18/mi
22:42
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:31/mi
46:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:42/mi
1:09:58
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:52/mi
1:34:24
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:43/mi
1:39:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:41/mi
2:00:42
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:31/mi
2:27:10
↑ 181↓ 1480.2%
138 ft elev
20M
8:32/mi
2:38:46
↑ 64↓ 500.2%
148 ft elev
21M
9:11/mi
2:47:57
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:29/mi
2:54:18
↑ 17↓ 861.7%
156 ft elev
23M
8:40/mi
3:05:09
↑ 23↓ 630.6%
116 ft elev
24M
7:57/mi
3:13:06
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:21/mi
3:20:14
↓ 200.3%
20 ft elev
25.2M
8:54/mi
3:23:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:54/mi
3:31:21
↑ 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
1:39:407:36 /mi⚡ faster
2nd Half
1:51:418:31 /mi+12.1%
Positive split — 12.1% 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
22:427:183.11 mi22:42
7:18
-
10K
46:047:253.10 mi23:22
7:31
+0:13
15K
1:09:587:303.11 mi23:54
7:42
+0:11
20K
1:34:247:363.11 mi24:26
7:52
+0:10
Half(13.11 mi)
1:39:407:360.68 mi5:16
7:43
-0:09
25K
2:00:427:462.42 mi21:02
8:41
+0:58
30K
2:27:107:543.11 mi26:28
8:31
-0:10
20M
2:38:467:561.36 mi11:36
8:32
+0:01
21M
2:47:578:001.00 mi9:11
9:11
+0:39
35K
2:54:188:010.75 mi6:21
8:29
-0:42
23M
3:05:098:031.25 mi10:51
8:40
+0:11
24M
3:13:068:031.00 mi7:57
7:57
-0:43
40K
3:20:148:030.85 mi7:08
8:21
+0:24
25.2M
3:23:188:040.35 mi3:04
8:54
+0:33
Finish(26.22 mi)
3:31:218:041.02 mi8:03
7:54
-1:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:18 /mi

Average Pace

8:04 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:55:40

55% of race

Time at Steady Pace

51:33

24% of race

Time at Slower Pace

44:08

21% of race

Average Pace: 8:04 /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

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi10447201820181344837103710
10K3.10 mi11368-9212485-4672485-4671231529872987
15K3.11 mi12051-6832870-3852870-3851344837103710
20K3.11 mi12468-4173129-2593129-2591380639873987
Half(13.11 mi)0.68 mi12524-563161-323161-321363738593859
25K2.42 mi13621-10973831-6703831-6701824065536553
30K3.11 mi13844-2234019-1884019-1881487148294829
20M1.36 mi13815+294036-174036-171401545184518
21M1.00 mi13842-274080-444080-441454249084908
35K0.75 mi13883-414124-444124-441539654525452
23M1.25 mi13932-494186-624186-621434849854985
24M1.00 mi13768+1644131+554131+551093632783278
40K0.85 mi13685+834108+234108+231245141604160
25.2M0.35 mi13639+464096+124096+121127236463646
Finish(26.22 mi)1.02 mi13587+524091+54091+51219940364036

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13448

Females

3710

F18-39

3710

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12315

Females

2987

F18-39

2987

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13448

Females

3710

F18-39

3710

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13806

Females

3987

F18-39

3987

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13637

Females

3859

F18-39

3859

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18240

Females

6553

F18-39

6553

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14871

Females

4829

F18-39

4829

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

14015

Females

4518

F18-39

4518

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14542

Females

4908

F18-39

4908

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15396

Females

5452

F18-39

5452

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14348

Females

4985

F18-39

4985

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10936

Females

3278

F18-39

3278

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12451

Females

4160

F18-39

4160

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11272

Females

3646

F18-39

3646

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12199

Females

4036

F18-39

4036

Passing Analysis

Category:
Passed
1247
Passed By
4387
Net Change
-3140
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10447
5K → 10K42963-921#10447#11368
10K → 15K49732-683#11368#12051
15K → 20K92509-417#12051#12468
20K → Half1773-56#12468#12524
Half → 25K351132-1097#12524#13621
25K → 30K183406-223#13621#13844
30K → 20M12798+29#13844#13815
20M → 21M91118-27#13815#13842
21M → 35K5091-41#13842#13883
35K → 23M101150-49#13883#13932
23M → 24M17915+164#13932#13768
24M → 40K12340+83#13768#13685
40K → 25.2M6216+46#13685#13639
25.2M → Finish9644+52#13639#13587
TOTALS12474387-3140

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