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BOSTON MARATHON 2025

Marissa Trask

Bib: 29905•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:08
Rank: #25624
Start → 5K
31:08 | 10:01/mi
10K· 6.21 mi
1:01:52
Rank: #25333 (+291)
5K → 10K
30:44 | 9:54/mi
15K· 9.32 mi
1:33:26
Rank: #25351 (-18)
10K → 15K
31:34 | 10:10/mi
20K· 12.43 mi
2:04:57
Rank: #25144 (+207)
15K → 20K
31:31 | 10:09/mi
Half· 13.11 mi
2:11:43
Rank: #25113 (+31)
20K → Half
6:46 | 9:55/mi
25K· 15.53 mi
2:38:02
Rank: #25074 (+39)
Half → 25K
26:19 | 10:51/mi
30K· 18.64 mi
3:10:51
Rank: #24728 (+346)
25K → 30K
32:49 | 10:34/mi
20M
3:24:37
Rank: #24555 (+173)
30K → 20M
13:46 | 10:08/mi
21M
3:36:19
Rank: #24464 (+91)
20M → 21M
11:42 | 11:42/mi
35K· 21.75 mi
3:43:33
Rank: #24360 (+104)
21M → 35K
7:14 | 9:40/mi
23M
3:56:45
Rank: #24232 (+128)
35K → 23M
13:12 | 10:33/mi
24M
4:07:03
Rank: #24164 (+68)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:15:34
Rank: #24037 (+127)
24M → 40K
8:31 | 9:58/mi
25.2M
4:19:45
Rank: #24041 (-4)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:29:37
Rank: #23979 (+62)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:43
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:17:54
Pace10:31 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2631:0810:0131:08
10:01
-
10K
6.21 mi12:23:101:01:529:5730:44
9:54
-0:07
15K
9.32 mi12:54:441:33:2610:0131:34
10:10
+0:16
20K
12.43 mi13:26:152:04:5710:0331:31
10:09
-0:01
Half
13.11 mi13:33:012:11:4310:036:46
9:55
-0:14
25K
15.53 mi13:59:202:38:0210:1026:19
10:51
+0:56
30K
18.64 mi14:32:093:10:5110:1432:49
10:34
-0:17
20M
20.00 mi14:45:553:24:3710:1413:46
10:08
-0:26
21M
21.00 mi14:57:373:36:1910:1811:42
11:42
+1:34
35K
21.75 mi15:04:513:43:3310:177:14
9:40
-2:02
23M
23.00 mi15:18:033:56:4510:1813:12
10:33
+0:53
24M
24.00 mi15:28:214:07:0310:1810:18
10:18
-0:15
40K
24.85 mi15:36:524:15:3410:178:31
9:58
-0:20
25.2M
25.20 mi15:41:034:19:4510:184:11
12:08
+2:10
Finish
26.22 mi15:50:554:29:3710:179:52
9:41
-2:27

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

9:40 /mi

Average Pace

10:17 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:06

6% of race

Time at Steady Pace

2:44:18

61% of race

Time at Slower Pace

1:28:13

33% of race

Average Pace: 10:17 /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 mi11:52:2631:0810:0131:08
10:01
#25624
10K
6.21 mi12:23:101:01:529:5730:44
9:54
#25333
15K
9.32 mi12:54:441:33:2610:0131:34
10:10
#25351
20K
12.43 mi13:26:152:04:5710:0331:31
10:09
#25144
Half
13.11 mi13:33:012:11:4310:036:46
9:55
#25113
25K
15.53 mi13:59:202:38:0210:1026:19
10:51
#25074
30K
18.64 mi14:32:093:10:5110:1432:49
10:34
#24728
20M
20.00 mi14:45:553:24:3710:1413:46
10:08
#24555
21M
21.00 mi14:57:373:36:1910:1811:42
11:42
#24464
35K
21.75 mi15:04:513:43:3310:177:14
9:40
#24360
23M
23.00 mi15:18:033:56:4510:1813:12
10:33
#24232
24M
24.00 mi15:28:214:07:0310:1810:18
10:18
#24164
40K
24.85 mi15:36:524:15:3410:178:31
9:58
#24037
25.2M
25.20 mi15:41:034:19:4510:184:11
12:08
#24041
Finish
26.22 mi15:50:554:29:3710:179:52
9:41
#23979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25624105451054525337(Top 89%)10423(Top 85%)10423(Top 191%)
10K6.21 mi3.10 mi25333+29110413+13210413+13225074(Top 88%)10273(Top 84%)10273(Top 188%)
15K9.32 mi3.11 mi25351-1810415-210415-225337(Top 89%)10423(Top 85%)10423(Top 191%)
20K12.43 mi3.11 mi25144+20710314+10110314+10124523(Top 86%)9997(Top 82%)9997(Top 183%)
Half13.11 mi0.68 mi25113+3110297+1710297+1724669(Top 87%)10091(Top 83%)10091(Top 185%)
25K15.53 mi2.42 mi25074+3910295+210295+224983(Top 88%)10277(Top 84%)10277(Top 188%)
30K18.64 mi3.11 mi24728+34610131+16410131+16423087(Top 81%)9369(Top 77%)9369(Top 171%)
20M20.00 mi1.36 mi24555+17310043+8810043+8821398(Top 75%)8576(Top 70%)8576(Top 157%)
21M21.00 mi1.00 mi24464+9110011+3210011+3223033(Top 81%)9518(Top 78%)9518(Top 174%)
35K21.75 mi0.75 mi24360+1049967+449967+4420937(Top 74%)8480(Top 69%)8480(Top 155%)
23M23.00 mi1.25 mi24232+1289922+459922+4522141(Top 78%)9143(Top 75%)9143(Top 167%)
24M24.00 mi1.00 mi24164+689903+199903+1922268(Top 78%)9275(Top 76%)9275(Top 170%)
40K24.85 mi0.85 mi24037+1279845+589845+5820377(Top 72%)8357(Top 68%)8357(Top 153%)
25.2M25.20 mi0.35 mi24041-49852-79852-723521(Top 83%)9924(Top 81%)9924(Top 181%)
Finish26.22 mi1.02 mi23979+629829+239829+2321878(Top 77%)9103(Top 74%)9103(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25337

Females

10423

F18-39

10423

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25074

Females

10273

F18-39

10273

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25337

Females

10423

F18-39

10423

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24523

Females

9997

F18-39

9997

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24669

Females

10091

F18-39

10091

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

24983

Females

10277

F18-39

10277

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23087

Females

9369

F18-39

9369

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21398

Females

8576

F18-39

8576

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23033

Females

9518

F18-39

9518

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20937

Females

8480

F18-39

8480

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22141

Females

9143

F18-39

9143

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22268

Females

9275

F18-39

9275

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20377

Females

8357

F18-39

8357

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23521

Females

9924

F18-39

9924

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21878

Females

9103

F18-39

9103

Passing Analysis

Category:
Athletes Passed
2087
Passed By
442
Net Change
+1645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25624
5K → 10K36170+291#25624#25333
10K → 15K132150-18#25333#25351
15K → 20K24336+207#25351#25144
20K → Half4110+31#25144#25113
Half → 25K12182+39#25113#25074
25K → 30K35711+346#25074#24728
30K → 20M1752+173#24728#24555
20M → 21M11019+91#24555#24464
21M → 35K1062+104#24464#24360
35K → 23M14012+128#24360#24232
23M → 24M7810+68#24232#24164
24M → 40K1281+127#24164#24037
40K → 25.2M1822-4#24037#24041
25.2M → Finish7715+62#24041#23979
TOTALS2087442+1645
📊

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