Boston Marathon logo
BOSTON MARATHON 2025

Marissa Wendtland

Bib: 5417•F

WI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 10%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:37/mi
20:34
↑ 97↓ 3451.5%
10K· 6.21 mi
6:39/mi
41:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:53
↑ 67↓ 78
20K· 12.43 mi
6:37/mi
1:22:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:31/mi
1:26:54
↑ 19↓ 370.5%
25K· 15.53 mi
6:36/mi
1:42:54
↑ 66↓ 880.2%
30K· 18.64 mi
6:42/mi
2:03:42
↑ 181↓ 1480.2%
20M
6:43/mi
2:12:49
↑ 64↓ 500.2%
21M
6:46/mi
2:19:35
↑ 106↓ 241.6%
35K· 21.75 mi
6:46/mi
2:24:39
↑ 17↓ 861.7%
23M
6:42/mi
2:33:02
↑ 23↓ 630.6%
24M
6:30/mi
2:39:32
↓ 821.3%
40K· 24.85 mi
6:32/mi
2:45:07
↓ 200.3%
25.2M
6:46/mi
2:47:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:12/mi
2:53:46
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:52
Pace6:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3420:346:3720:34
6:37
-
10K
6.21 mi10:45:1541:156:3820:41
6:39
+0:02
15K
9.32 mi11:05:531:01:536:3820:38
6:38
-0:01
20K
12.43 mi11:26:271:22:276:3820:34
6:37
-0:01
Half
13.11 mi11:30:541:26:546:384:27
6:31
-0:06
25K
15.53 mi11:46:541:42:546:3716:00
6:36
+0:05
30K
18.64 mi12:07:422:03:426:3820:48
6:42
+0:06
20M
20.00 mi12:16:492:12:496:389:07
6:43
+0:01
21M
21.00 mi12:23:352:19:356:396:46
6:46
+0:03
35K
21.75 mi12:28:392:24:396:395:04
6:46
0:00
23M
23.00 mi12:37:022:33:026:398:23
6:42
-0:04
24M
24.00 mi12:43:322:39:326:396:30
6:30
-0:12
40K
24.85 mi12:49:072:45:076:395:35
6:32
+0:02
25.2M
25.20 mi12:51:272:47:276:392:20
6:46
+0:14
Finish
26.22 mi12:57:462:53:466:386:19
6:12
-0:34

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

6:12 /mi

Average Pace

6:38 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:49

7% of race

Time at Steady Pace

2:40:57

93% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:24:3420:346:3720:34
6:37
#4785
10K
6.21 mi10:45:1541:156:3820:41
6:39
#4822
15K
9.32 mi11:05:531:01:536:3820:38
6:38
#4711
20K
12.43 mi11:26:271:22:276:3820:34
6:37
#4441
Half
13.11 mi11:30:541:26:546:384:27
6:31
#4399
25K
15.53 mi11:46:541:42:546:3716:00
6:36
#4176
30K
18.64 mi12:07:422:03:426:3820:48
6:42
#3866
20M
20.00 mi12:16:492:12:496:389:07
6:43
#3713
21M
21.00 mi12:23:352:19:356:396:46
6:46
#3537
35K
21.75 mi12:28:392:24:396:395:04
6:46
#3519
23M
23.00 mi12:37:022:33:026:398:23
6:42
#3372
24M
24.00 mi12:43:322:39:326:396:30
6:30
#3262
40K
24.85 mi12:49:072:45:076:395:35
6:32
#3145
25.2M
25.20 mi12:51:272:47:276:392:20
6:46
#3064
Finish
26.22 mi12:57:462:53:466:386:19
6:12
#2963
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi47852922924602(Top 16%)285(Top 2%)285(Top 5%)
10K6.21 mi3.10 mi4822-37304-12304-124969(Top 17%)321(Top 3%)321(Top 6%)
15K9.32 mi3.11 mi4711+111293+11293+114602(Top 16%)285(Top 2%)285(Top 5%)
20K12.43 mi3.11 mi4441+270265+28265+283842(Top 14%)209(Top 2%)209(Top 4%)
Half13.11 mi0.68 mi4399+42261+4261+43904(Top 14%)211(Top 2%)211(Top 4%)
25K15.53 mi2.42 mi4176+223243+18243+183474(Top 12%)187(Top 2%)187(Top 3%)
30K18.64 mi3.11 mi3866+310218+25218+252875(Top 10%)152(Top 1%)152(Top 3%)
20M20.00 mi1.36 mi3713+153207+11207+112526(Top 9%)140(Top 1%)140(Top 3%)
21M21.00 mi1.00 mi3537+176192+15192+151442(Top 5%)76(Top 0.6%)76(Top 1%)
35K21.75 mi0.75 mi3519+181921923879(Top 14%)388(Top 3%)388(Top 7%)
23M23.00 mi1.25 mi3372+147184+8184+82260(Top 8%)144(Top 1%)144(Top 3%)
24M24.00 mi1.00 mi3262+110182+2182+22081(Top 7%)139(Top 1%)139(Top 3%)
40K24.85 mi0.85 mi3145+117172+10172+101753(Top 6%)126(Top 1%)126(Top 2%)
25.2M25.20 mi0.35 mi3064+81167+5167+5941(Top 3%)70(Top 0.6%)70(Top 1%)
Finish26.22 mi1.02 mi2963+101160+7160+71535(Top 5%)102(Top 0.8%)102(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4602

Females

285

F18-39

285

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4969

Females

321

F18-39

321

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4602

Females

285

F18-39

285

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3842

Females

209

F18-39

209

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3904

Females

211

F18-39

211

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3474

Females

187

F18-39

187

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2875

Females

152

F18-39

152

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2526

Females

140

F18-39

140

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1442

Females

76

F18-39

76

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3879

Females

388

F18-39

388

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2260

Females

144

F18-39

144

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

2081

Females

139

F18-39

139

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1753

Females

126

F18-39

126

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

941

Females

70

F18-39

70

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1535

Females

102

F18-39

102

Passing Analysis

Category:
Athletes Passed
2158
Passed By
336
Net Change
+1822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4785
5K → 10K143180-37#4785#4822
10K → 15K17968+111#4822#4711
15K → 20K28313+270#4711#4441
20K → Half464+42#4441#4399
Half → 25K2307+223#4399#4176
25K → 30K3199+310#4176#3866
30K → 20M1618+153#3866#3713
20M → 21M1760+176#3713#3537
21M → 35K4830+18#3537#3519
35K → 23M1525+147#3519#3372
23M → 24M1144+110#3372#3262
24M → 40K1192+117#3262#3145
40K → 25.2M810+81#3145#3064
25.2M → Finish1076+101#3064#2963
TOTALS2158336+1822
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing