Boston Marathon logo
BOSTON MARATHON 2025

Jessica Marlier

Bib: 7818•F

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 9%
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
7:02/mi
21:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
43:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:02/mi
1:05:29
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:27:11
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:31:49
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:48:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:12/mi
2:10:59
↑ 181↓ 1480.2%
20M
7:10/mi
2:20:44
↑ 64↓ 500.2%
21M
7:35/mi
2:28:19
↑ 106↓ 241.6%
35K· 21.75 mi
6:40/mi
2:33:18
↑ 17↓ 861.7%
23M
6:59/mi
2:42:03
↑ 23↓ 630.6%
24M
6:50/mi
2:48:53
↓ 821.3%
40K· 24.85 mi
7:03/mi
2:54:55
↓ 200.3%
25.2M
7:53/mi
2:57:38
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:04:36
↑ 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 HalfFaster
Distance13.11 mi
Time1:31:49
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:32:47
Pace7:05 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:2821:527:0221:52
7:02
-
10K
6.21 mi10:52:1543:397:0121:47
7:01
-0:01
15K
9.32 mi11:14:051:05:297:0221:50
7:02
+0:01
20K
12.43 mi11:35:471:27:117:0121:42
6:59
-0:03
Half
13.11 mi11:40:251:31:497:004:38
6:47
-0:12
25K
15.53 mi11:57:141:48:387:0016:49
6:56
+0:09
30K
18.64 mi12:19:352:10:597:0222:21
7:12
+0:16
20M
20.00 mi12:29:202:20:447:029:45
7:10
-0:02
21M
21.00 mi12:36:552:28:197:047:35
7:35
+0:25
35K
21.75 mi12:41:542:33:187:034:59
6:40
-0:55
23M
23.00 mi12:50:392:42:037:038:45
6:59
+0:19
24M
24.00 mi12:57:292:48:537:026:50
6:50
-0:09
40K
24.85 mi13:03:312:54:557:026:02
7:03
+0:13
25.2M
25.20 mi13:06:142:57:387:032:43
7:53
+0:50
Finish
26.22 mi13:13:123:04:367:036:58
6:50
-1:03

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

6:40 /mi

Average Pace

7:03 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:18

94% of race

Time at Steady Pace

7:35

4% of race

Time at Slower Pace

2:43

1% of race

Average Pace: 7:02 /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 mi10:30:2821:527:0221:52
7:02
#8125
10K
6.21 mi10:52:1543:397:0121:47
7:01
#8058
15K
9.32 mi11:14:051:05:297:0221:50
7:02
#7943
20K
12.43 mi11:35:471:27:117:0121:42
6:59
#7592
Half
13.11 mi11:40:251:31:497:004:38
6:47
#7518
25K
15.53 mi11:57:141:48:387:0016:49
6:56
#7216
30K
18.64 mi12:19:352:10:597:0222:21
7:12
#6842
20M
20.00 mi12:29:202:20:447:029:45
7:10
#6624
21M
21.00 mi12:36:552:28:197:047:35
7:35
#6460
35K
21.75 mi12:41:542:33:187:034:59
6:40
#6309
23M
23.00 mi12:50:392:42:037:038:45
6:59
#6087
24M
24.00 mi12:57:292:48:537:026:50
6:50
#5935
40K
24.85 mi13:03:312:54:557:026:02
7:03
#5805
25.2M
25.20 mi13:06:142:57:387:032:43
7:53
#5750
Finish
26.22 mi13:13:123:04:367:036:58
6:50
#5651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8125102110217815(Top 28%)973(Top 8%)973(Top 18%)
10K6.21 mi3.10 mi8058+671014+71014+78003(Top 28%)1006(Top 8%)1006(Top 18%)
15K9.32 mi3.11 mi7943+115975+39975+397815(Top 28%)973(Top 8%)973(Top 18%)
20K12.43 mi3.11 mi7592+351882+93882+936796(Top 24%)728(Top 6%)728(Top 13%)
Half13.11 mi0.68 mi7518+74858+24858+246162(Top 22%)575(Top 5%)575(Top 11%)
25K15.53 mi2.42 mi7216+302789+69789+695907(Top 21%)570(Top 5%)570(Top 10%)
30K18.64 mi3.11 mi6842+374738+51738+515876(Top 21%)637(Top 5%)637(Top 12%)
20M20.00 mi1.36 mi6624+218706+32706+325091(Top 18%)528(Top 4%)528(Top 10%)
21M21.00 mi1.00 mi6460+164684+22684+225066(Top 18%)625(Top 5%)625(Top 11%)
35K21.75 mi0.75 mi6309+151656+28656+283342(Top 12%)289(Top 2%)289(Top 5%)
23M23.00 mi1.25 mi6087+222629+27629+273727(Top 13%)358(Top 3%)358(Top 7%)
24M24.00 mi1.00 mi5935+152609+20609+203743(Top 13%)410(Top 3%)410(Top 7%)
40K24.85 mi0.85 mi5805+130595+14595+144246(Top 15%)561(Top 5%)561(Top 10%)
25.2M25.20 mi0.35 mi5750+55591+4591+45348(Top 19%)978(Top 8%)978(Top 18%)
Finish26.22 mi1.02 mi5651+99578+13578+134747(Top 17%)772(Top 6%)772(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7815

Females

973

F18-39

973

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8003

Females

1006

F18-39

1006

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7815

Females

973

F18-39

973

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6796

Females

728

F18-39

728

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6162

Females

575

F18-39

575

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5907

Females

570

F18-39

570

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5876

Females

637

F18-39

637

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5091

Females

528

F18-39

528

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5066

Females

625

F18-39

625

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3342

Females

289

F18-39

289

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3727

Females

358

F18-39

358

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3743

Females

410

F18-39

410

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4246

Females

561

F18-39

561

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5348

Females

978

F18-39

978

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4747

Females

772

F18-39

772

Passing Analysis

Category:
Athletes Passed
2834
Passed By
360
Net Change
+2474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8125
5K → 10K248181+67#8125#8058
10K → 15K20489+115#8058#7943
15K → 20K3609+351#7943#7592
20K → Half740+74#7592#7518
Half → 25K3064+302#7518#7216
25K → 30K39723+374#7216#6842
30K → 20M2246+218#6842#6624
20M → 21M17410+164#6624#6460
21M → 35K1521+151#6460#6309
35K → 23M2275+222#6309#6087
23M → 24M1575+152#6087#5935
24M → 40K1377+130#5935#5805
40K → 25.2M605+55#5805#5750
25.2M → Finish11415+99#5750#5651
TOTALS2834360+2474
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing