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BOSTON MARATHON 2025

Marissa Lynn

Bib: 17071•F

MN

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 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #12484
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
46:37
Rank: #12158 (+326)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:10:09
Rank: #12227 (-69)
10K → 15K
23:32 | 7:34/mi
20K· 12.43 mi
1:34:05
Rank: #12253 (-26)
15K → 20K
23:56 | 7:42/mi
Half· 13.11 mi
1:39:17
Rank: #12283 (-30)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:12
Rank: #12268 (+15)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:23:18
Rank: #12151 (+117)
25K → 30K
25:06 | 8:05/mi
20M
2:34:19
Rank: #12048 (+103)
30K → 20M
11:01 | 8:06/mi
21M
2:42:55
Rank: #11951 (+97)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:48:54
Rank: #11941 (+10)
21M → 35K
5:59 | 8:00/mi
23M
2:59:13
Rank: #11902 (+39)
35K → 23M
10:19 | 8:14/mi
24M
3:07:11
Rank: #11842 (+60)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:14:14
Rank: #11813 (+29)
24M → 40K
7:03 | 8:15/mi
25.2M
3:17:16
Rank: #11794 (+19)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:25:22
Rank: #11796 (-2)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4123:237:3223:23
7:32
-
10K
6.21 mi11:36:5546:377:3023:14
7:29
-0:03
15K
9.32 mi12:00:271:10:097:3223:32
7:34
+0:05
20K
12.43 mi12:24:231:34:057:3423:56
7:42
+0:08
Half
13.11 mi12:29:351:39:177:345:12
7:37
-0:05
25K
15.53 mi12:48:301:58:127:3718:55
7:48
+0:11
30K
18.64 mi13:13:362:23:187:4125:06
8:05
+0:17
20M
20.00 mi13:24:372:34:197:4311:01
8:06
+0:01
21M
21.00 mi13:33:132:42:557:458:36
8:36
+0:30
35K
21.75 mi13:39:122:48:547:465:59
8:00
-0:36
23M
23.00 mi13:49:312:59:137:4810:19
8:14
+0:14
24M
24.00 mi13:57:293:07:117:487:58
7:58
-0:16
40K
24.85 mi14:04:323:14:147:497:03
8:15
+0:17
25.2M
25.20 mi14:07:343:17:167:503:02
8:48
+0:33
Finish
26.22 mi14:15:403:25:227:508:06
7:57
-0:51

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

7:29 /mi

Average Pace

7:50 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:22

86% of race

Time at Steady Pace

29:00

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi11:13:4123:237:3223:23
7:32
#12484
10K
6.21 mi11:36:5546:377:3023:14
7:29
#12158
15K
9.32 mi12:00:271:10:097:3223:32
7:34
#12227
20K
12.43 mi12:24:231:34:057:3423:56
7:42
#12253
Half
13.11 mi12:29:351:39:177:345:12
7:37
#12283
25K
15.53 mi12:48:301:58:127:3718:55
7:48
#12268
30K
18.64 mi13:13:362:23:187:4125:06
8:05
#12151
20M
20.00 mi13:24:372:34:197:4311:01
8:06
#12048
21M
21.00 mi13:33:132:42:557:458:36
8:36
#11951
35K
21.75 mi13:39:122:48:547:465:59
8:00
#11941
23M
23.00 mi13:49:312:59:137:4810:19
8:14
#11902
24M
24.00 mi13:57:293:07:117:487:58
7:58
#11842
40K
24.85 mi14:04:323:14:147:497:03
8:15
#11813
25.2M
25.20 mi14:07:343:17:167:503:02
8:48
#11794
Finish
26.22 mi14:15:403:25:227:508:06
7:57
#11796
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124843061306112390(Top 44%)3109(Top 25%)3109(Top 57%)
10K6.21 mi3.10 mi12158+3262892+1692892+16911923(Top 42%)2775(Top 23%)2775(Top 51%)
15K9.32 mi3.11 mi12227-692963-712963-7112390(Top 44%)3109(Top 25%)3109(Top 57%)
20K12.43 mi3.11 mi12253-263008-453008-4512453(Top 44%)3250(Top 27%)3250(Top 59%)
Half13.11 mi0.68 mi12283-303029-213029-2112802(Top 45%)3381(Top 28%)3381(Top 62%)
25K15.53 mi2.42 mi12268+153057-283057-2812382(Top 44%)3322(Top 27%)3322(Top 61%)
30K18.64 mi3.11 mi12151+1173072-153072-1511953(Top 42%)3268(Top 27%)3268(Top 60%)
20M20.00 mi1.36 mi12048+1033060+123060+1211186(Top 39%)3034(Top 25%)3034(Top 55%)
21M21.00 mi1.00 mi11951+973046+143046+1411113(Top 39%)3153(Top 26%)3153(Top 58%)
35K21.75 mi0.75 mi11941+103060-143060-1412271(Top 43%)3778(Top 31%)3778(Top 69%)
23M23.00 mi1.25 mi11902+393088-283088-2811663(Top 41%)3561(Top 29%)3561(Top 65%)
24M24.00 mi1.00 mi11842+603092-43092-411027(Top 39%)3317(Top 27%)3317(Top 61%)
40K24.85 mi0.85 mi11813+293108-163108-1611847(Top 42%)3834(Top 31%)3834(Top 70%)
25.2M25.20 mi0.35 mi11794+193118-103118-1010666(Top 38%)3322(Top 27%)3322(Top 61%)
Finish26.22 mi1.02 mi11796-23151-333151-3312552(Top 44%)4209(Top 34%)4209(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12390

Females

3109

F18-39

3109

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11923

Females

2775

F18-39

2775

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12390

Females

3109

F18-39

3109

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12453

Females

3250

F18-39

3250

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12802

Females

3381

F18-39

3381

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12382

Females

3322

F18-39

3322

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11953

Females

3268

F18-39

3268

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

11186

Females

3034

F18-39

3034

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11113

Females

3153

F18-39

3153

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12271

Females

3778

F18-39

3778

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11663

Females

3561

F18-39

3561

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11027

Females

3317

F18-39

3317

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11847

Females

3834

F18-39

3834

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10666

Females

3322

F18-39

3322

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12552

Females

4209

F18-39

4209

Passing Analysis

Category:
Athletes Passed
2097
Passed By
1409
Net Change
+688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12484
5K → 10K461135+326#12484#12158
10K → 15K166235-69#12158#12227
15K → 20K183209-26#12227#12253
20K → Half1545-30#12253#12283
Half → 25K162147+15#12283#12268
25K → 30K296179+117#12268#12151
30K → 20M16360+103#12151#12048
20M → 21M14649+97#12048#11951
21M → 35K6252+10#11951#11941
35K → 23M12586+39#11941#11902
23M → 24M10343+60#11902#11842
24M → 40K8960+29#11842#11813
40K → 25.2M4728+19#11813#11794
25.2M → Finish7981-2#11794#11796
TOTALS20971409+688
📊

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