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BOSTON MARATHON 2025

Marissa Fritz

Bib: 8690•F

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #6187
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:21
Rank: #6468 (-281)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:03:45
Rank: #6577 (-109)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:26:02
Rank: #7018 (-441)
15K → 20K
22:17 | 7:10/mi
Half· 13.11 mi
1:30:55
Rank: #7094 (-76)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:49:45
Rank: #7700 (-606)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:15:12
Rank: #8451 (-751)
25K → 30K
25:27 | 8:11/mi
20M
2:25:27
Rank: #8311 (+140)
30K → 20M
10:15 | 7:33/mi
21M
2:34:14
Rank: #8498 (-187)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:39:36
Rank: #8383 (+115)
21M → 35K
5:22 | 7:10/mi
23M
2:49:03
Rank: #8227 (+156)
35K → 23M
9:27 | 7:33/mi
24M
2:57:22
Rank: #8431 (-204)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:04:07
Rank: #8434 (-3)
24M → 40K
6:45 | 7:54/mi
25.2M
3:06:54
Rank: #8370 (+64)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:14:05
Rank: #8253 (+117)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:55
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:43:10
Pace7:52 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3821:046:4721:04
6:47
-
10K
6.21 mi11:07:5542:216:4921:17
6:51
+0:04
15K
9.32 mi11:29:191:03:456:5021:24
6:53
+0:02
20K
12.43 mi11:51:361:26:026:5522:17
7:10
+0:17
Half
13.11 mi11:56:291:30:556:564:53
7:09
-0:01
25K
15.53 mi12:15:191:49:457:0418:50
7:46
+0:37
30K
18.64 mi12:40:462:15:127:1525:27
8:11
+0:25
20M
20.00 mi12:51:012:25:277:1610:15
7:33
-0:38
21M
21.00 mi12:59:482:34:147:218:47
8:47
+1:14
35K
21.75 mi13:05:102:39:367:205:22
7:10
-1:37
23M
23.00 mi13:14:372:49:037:219:27
7:33
+0:23
24M
24.00 mi13:22:562:57:227:238:19
8:19
+0:46
40K
24.85 mi13:29:413:04:077:246:45
7:54
-0:25
25.2M
25.20 mi13:32:283:06:547:252:47
8:04
+0:10
Finish
26.22 mi13:39:393:14:057:247:11
7:03
-1:01

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

6:47 /mi

Average Pace

7:24 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:28

53% of race

Time at Steady Pace

38:32

20% of race

Time at Slower Pace

52:05

27% of race

Average Pace: 7:24 /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 mi10:46:3821:046:4721:04
6:47
#6187
10K
6.21 mi11:07:5542:216:4921:17
6:51
#6468
15K
9.32 mi11:29:191:03:456:5021:24
6:53
#6577
20K
12.43 mi11:51:361:26:026:5522:17
7:10
#7018
Half
13.11 mi11:56:291:30:556:564:53
7:09
#7094
25K
15.53 mi12:15:191:49:457:0418:50
7:46
#7700
30K
18.64 mi12:40:462:15:127:1525:27
8:11
#8451
20M
20.00 mi12:51:012:25:277:1610:15
7:33
#8311
21M
21.00 mi12:59:482:34:147:218:47
8:47
#8498
35K
21.75 mi13:05:102:39:367:205:22
7:10
#8383
23M
23.00 mi13:14:372:49:037:219:27
7:33
#8227
24M
24.00 mi13:22:562:57:227:238:19
8:19
#8431
40K
24.85 mi13:29:413:04:077:246:45
7:54
#8434
25.2M
25.20 mi13:32:283:06:547:252:47
8:04
#8370
Finish
26.22 mi13:39:393:14:057:247:11
7:03
#8253
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi61875075076881(Top 24%)705(Top 6%)705(Top 13%)
10K6.21 mi3.10 mi6468-281567-60567-606889(Top 24%)687(Top 6%)687(Top 13%)
15K9.32 mi3.11 mi6577-109621-54621-546881(Top 24%)705(Top 6%)705(Top 13%)
20K12.43 mi3.11 mi7018-441715-94715-947999(Top 28%)1106(Top 9%)1106(Top 20%)
Half13.11 mi0.68 mi7094-76740-25740-258790(Top 31%)1402(Top 11%)1402(Top 26%)
25K15.53 mi2.42 mi7700-606937-197937-19712083(Top 43%)3154(Top 26%)3154(Top 58%)
30K18.64 mi3.11 mi8451-7511281-3441281-34412769(Top 45%)3697(Top 30%)3697(Top 68%)
20M20.00 mi1.36 mi8311+1401253+281253+287341(Top 26%)1287(Top 11%)1287(Top 24%)
21M21.00 mi1.00 mi8498-1871367-1141367-11412199(Top 43%)3696(Top 30%)3696(Top 68%)
35K21.75 mi0.75 mi8383+1151345+221345+226491(Top 23%)1107(Top 9%)1107(Top 20%)
23M23.00 mi1.25 mi8227+1561321+241321+246930(Top 24%)1368(Top 11%)1368(Top 25%)
24M24.00 mi1.00 mi8431-2041443-1221443-12213368(Top 47%)4489(Top 37%)4489(Top 82%)
40K24.85 mi0.85 mi8434-31474-311474-319438(Top 33%)2639(Top 22%)2639(Top 48%)
25.2M25.20 mi0.35 mi8370+641467+71467+76393(Top 23%)1396(Top 11%)1396(Top 26%)
Finish26.22 mi1.02 mi8253+1171452+151452+156089(Top 21%)1286(Top 11%)1286(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6881

Females

705

F18-39

705

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6889

Females

687

F18-39

687

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6881

Females

705

F18-39

705

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7999

Females

1106

F18-39

1106

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8790

Females

1402

F18-39

1402

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12083

Females

3154

F18-39

3154

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12769

Females

3697

F18-39

3697

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7341

Females

1287

F18-39

1287

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12199

Females

3696

F18-39

3696

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6491

Females

1107

F18-39

1107

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6930

Females

1368

F18-39

1368

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13368

Females

4489

F18-39

4489

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9438

Females

2639

F18-39

2639

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6393

Females

1396

F18-39

1396

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

6089

Females

1286

F18-39

1286

Passing Analysis

Category:
Athletes Passed
1188
Passed By
3254
Net Change
-2066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6187
5K → 10K94375-281#6187#6468
10K → 15K122231-109#6468#6577
15K → 20K35476-441#6577#7018
20K → Half1187-76#7018#7094
Half → 25K21627-606#7094#7700
25K → 30K55806-751#7700#8451
30K → 20M17434+140#8451#8311
20M → 21M45232-187#8311#8498
21M → 35K1238+115#8498#8383
35K → 23M18832+156#8383#8227
23M → 24M35239-204#8227#8431
24M → 40K7679-3#8431#8434
40K → 25.2M739+64#8434#8370
25.2M → Finish13619+117#8370#8253
TOTALS11883254-2066
📊

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