Boston Marathon logo
BOSTON MARATHON 2025

Jamie Johnston

Bib: 10793•F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 21%
Masters (Masters Women)
#0 / 6759
Top 9%
Division (F45-49)
#0 / 1813
Top 10%
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
6:55/mi
21:29
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:32
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:03:40
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:25:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:30:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:47:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:13:08
↑ 181↓ 1480.2%
20M
8:13/mi
2:24:18
↑ 64↓ 500.2%
21M
9:45/mi
2:34:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
2:40:28
↑ 17↓ 861.7%
23M
9:47/mi
2:52:43
↑ 23↓ 630.6%
24M
9:38/mi
3:02:21
↓ 821.3%
40K· 24.85 mi
9:21/mi
3:10:21
↓ 200.3%
25.2M
10:26/mi
3:13:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:21:56
↑ 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
Time1:30:08
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1121:296:5521:29
6:55
-
10K
6.21 mi11:09:1442:326:5121:03
6:47
-0:08
15K
9.32 mi11:30:221:03:406:5021:08
6:48
+0:01
20K
12.43 mi11:52:021:25:206:5221:40
6:58
+0:10
Half
13.11 mi11:56:501:30:086:534:48
7:02
+0:04
25K
15.53 mi12:14:241:47:426:5617:34
7:15
+0:13
30K
18.64 mi12:39:502:13:087:0925:26
8:11
+0:56
20M
20.00 mi12:51:002:24:187:1311:10
8:13
+0:02
21M
21.00 mi13:00:452:34:037:209:45
9:45
+1:32
35K
21.75 mi13:07:102:40:287:236:25
8:35
-1:10
23M
23.00 mi13:19:252:52:437:3112:15
9:47
+1:12
24M
24.00 mi13:29:033:02:217:369:38
9:38
-0:09
40K
24.85 mi13:37:033:10:217:408:00
9:21
-0:17
25.2M
25.20 mi13:40:393:13:577:423:36
10:26
+1:05
Finish
26.22 mi13:48:383:21:567:427:59
7:50
-2:36

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

7:42 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:42

53% of race

Time at Steady Pace

51:00

25% of race

Time at Slower Pace

43:14

21% of race

Average Pace: 7:42 /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 mi10:48:1121:296:5521:29
6:55
#7204
10K
6.21 mi11:09:1442:326:5121:03
6:47
#6722
15K
9.32 mi11:30:221:03:406:5021:08
6:48
#6495
20K
12.43 mi11:52:021:25:206:5221:40
6:58
#6557
Half
13.11 mi11:56:501:30:086:534:48
7:02
#6642
25K
15.53 mi12:14:241:47:426:5617:34
7:15
#6819
30K
18.64 mi12:39:502:13:087:0925:26
8:11
#7630
20M
20.00 mi12:51:002:24:187:1311:10
8:13
#7872
21M
21.00 mi13:00:452:34:037:209:45
9:45
#8432
35K
21.75 mi13:07:102:40:287:236:25
8:35
#8737
23M
23.00 mi13:19:252:52:437:3112:15
9:47
#9584
24M
24.00 mi13:29:033:02:217:369:38
9:38
#10204
40K
24.85 mi13:37:033:10:217:408:00
9:21
#10553
25.2M
25.20 mi13:40:393:13:577:423:36
10:26
#10704
Finish
26.22 mi13:48:383:21:567:427:59
7:50
#10707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi72047417416129(Top 22%)556(Top 5%)556(Top 31%)
10K6.21 mi3.10 mi6722+482631+110631+1106140(Top 22%)532(Top 4%)532(Top 29%)
15K9.32 mi3.11 mi6495+227598+33598+336129(Top 22%)556(Top 5%)556(Top 31%)
20K12.43 mi3.11 mi6557-62618-20618-206738(Top 24%)719(Top 6%)719(Top 40%)
Half13.11 mi0.68 mi6642-85632-14632-147919(Top 28%)1078(Top 9%)1078(Top 59%)
25K15.53 mi2.42 mi6819-177694-62694-627976(Top 28%)1208(Top 10%)1208(Top 67%)
30K18.64 mi3.11 mi7630-811964-270964-27012724(Top 45%)3672(Top 30%)3672(Top 203%)
20M20.00 mi1.36 mi7872-2421097-1331097-13311917(Top 42%)3393(Top 28%)3393(Top 187%)
21M21.00 mi1.00 mi8432-5601344-2471344-24717255(Top 61%)6395(Top 52%)6395(Top 353%)
35K21.75 mi0.75 mi8737-3051487-1431487-14315941(Top 56%)5732(Top 47%)5732(Top 316%)
23M23.00 mi1.25 mi9584-8471897-4101897-41019744(Top 70%)7909(Top 65%)7909(Top 436%)
24M24.00 mi1.00 mi10204-6202240-3432240-34320130(Top 71%)8144(Top 67%)8144(Top 449%)
40K24.85 mi0.85 mi10553-3492440-2002440-20018106(Top 64%)7164(Top 59%)7164(Top 395%)
25.2M25.20 mi0.35 mi10704-1512537-972537-9718795(Top 66%)7506(Top 61%)7506(Top 414%)
Finish26.22 mi1.02 mi10707-32579-422579-4211694(Top 41%)3785(Top 31%)3785(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

6129

Females

556

F45-49

556

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6140

Females

532

F45-49

532

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

6129

Females

556

F45-49

556

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6738

Females

719

F45-49

719

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7919

Females

1078

F45-49

1078

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7976

Females

1208

F45-49

1208

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12724

Females

3672

F45-49

3672

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11917

Females

3393

F45-49

3393

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17255

Females

6395

F45-49

6395

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15941

Females

5732

F45-49

5732

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19744

Females

7909

F45-49

7909

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

20130

Females

8144

F45-49

8144

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18106

Females

7164

F45-49

7164

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18795

Females

7506

F45-49

7506

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11694

Females

3785

F45-49

3785

Passing Analysis

Category:
Athletes Passed
1245
Passed By
4746
Net Change
-3503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7204
5K → 10K51735+482#7204#6722
10K → 15K28558+227#6722#6495
15K → 20K116178-62#6495#6557
20K → Half893-85#6557#6642
Half → 25K75252-177#6642#6819
25K → 30K43854-811#6819#7630
30K → 20M37279-242#7630#7872
20M → 21M19579-560#7872#8432
21M → 35K12317-305#8432#8737
35K → 23M16863-847#8737#9584
23M → 24M12630-620#9584#10204
24M → 40K20369-349#10204#10553
40K → 25.2M12163-151#10553#10704
25.2M → Finish7376-3#10704#10707
TOTALS12454746-3503
📊

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