Boston Marathon logo
BOSTON MARATHON 2025

Katie Treadwell

Bib: 26836•F

KS

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
11:07/mi
34:33
↑ 97↓ 3451.5%
10K· 6.21 mi
11:17/mi
1:09:37
↑ 79↓ 1380.4%
15K· 9.32 mi
12:09/mi
1:47:23
↑ 67↓ 78
20K· 12.43 mi
13:03/mi
2:27:57
↑ 106↓ 860.1%
Half· 13.11 mi
11:48/mi
2:36:00
↑ 19↓ 370.5%
25K· 15.53 mi
12:48/mi
3:07:02
↑ 66↓ 880.2%
30K· 18.64 mi
14:56/mi
3:53:25
↑ 181↓ 1480.2%
20M
13:04/mi
4:11:10
↑ 64↓ 500.2%
21M
15:07/mi
4:26:17
↑ 106↓ 241.6%
35K· 21.75 mi
12:38/mi
4:35:44
↑ 17↓ 861.7%
23M
15:31/mi
4:55:10
↑ 23↓ 630.6%
24M
12:38/mi
5:07:48
↓ 821.3%
40K· 24.85 mi
12:38/mi
5:18:36
↓ 200.3%
25.2M
13:49/mi
5:23:22
↑ 13↓ 160.2%
Finish· 26.22 mi
11:34/mi
5:35:09
↑ 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
Time2:36:00
Pace11:54 /mi
2nd Half
Distance13.11 mi
Time2:59:09
Pace13:40 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2434:3311:0734:33
11:07
-
10K
6.21 mi12:25:281:09:3711:1235:04
11:17
+0:10
15K
9.32 mi13:03:141:47:2311:3137:46
12:09
+0:52
20K
12.43 mi13:43:482:27:5711:5440:34
13:03
+0:54
Half
13.11 mi13:51:512:36:0011:548:03
11:48
-1:15
25K
15.53 mi14:22:533:07:0212:0231:02
12:48
+1:00
30K
18.64 mi15:09:163:53:2512:3146:23
14:56
+2:08
20M
20.00 mi15:27:014:11:1012:3317:45
13:04
-1:52
21M
21.00 mi15:42:084:26:1712:4115:07
15:07
+2:03
35K
21.75 mi15:51:354:35:4412:419:27
12:38
-2:29
23M
23.00 mi16:11:014:55:1012:5019:26
15:31
+2:53
24M
24.00 mi16:23:395:07:4812:5012:38
12:38
-2:53
40K
24.85 mi16:34:275:18:3612:4910:48
12:38
0:00
25.2M
25.20 mi16:39:135:23:2212:504:46
13:49
+1:11
Finish
26.22 mi16:51:005:35:0912:4811:47
11:34
-2:15

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

11:07 /mi

Average Pace

12:48 /mi

Slowest Pace

15:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:27

27% of race

Time at Steady Pace

2:40:00

48% of race

Time at Slower Pace

1:25:42

26% of race

Average Pace: 12:47 /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 mi11:50:2434:3311:0734:33
11:07
#27677
10K
6.21 mi12:25:281:09:3711:1235:04
11:17
#27544
15K
9.32 mi13:03:141:47:2311:3137:46
12:09
#27653
20K
12.43 mi13:43:482:27:5711:5440:34
13:03
#27749
Half
13.11 mi13:51:512:36:0011:548:03
11:48
#27730
25K
15.53 mi14:22:533:07:0212:0231:02
12:48
#27630
30K
18.64 mi15:09:163:53:2512:3146:23
14:56
#27739
20M
20.00 mi15:27:014:11:1012:3317:45
13:04
#27663
21M
21.00 mi15:42:084:26:1712:4115:07
15:07
#27652
35K
21.75 mi15:51:354:35:4412:419:27
12:38
#27635
23M
23.00 mi16:11:014:55:1012:5019:26
15:31
#27696
24M
24.00 mi16:23:395:07:4812:5012:38
12:38
#27663
40K
24.85 mi16:34:275:18:3612:4910:48
12:38
#27622
25.2M
25.20 mi16:39:135:23:2212:504:46
13:49
#27610
Finish
26.22 mi16:51:005:35:0912:4811:47
11:34
#27586
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi27677117531175327732(Top 98%)11821(Top 97%)11821(Top 688%)
10K6.21 mi3.10 mi27544+13311667+8611667+8627378(Top 96%)11592(Top 95%)11592(Top 675%)
15K9.32 mi3.11 mi27653-10911753-8611753-8627732(Top 98%)11821(Top 97%)11821(Top 688%)
20K12.43 mi3.11 mi27749-9611825-7211825-7227860(Top 98%)11909(Top 97%)11909(Top 693%)
Half13.11 mi0.68 mi27730+1911817+811817+827294(Top 96%)11590(Top 95%)11590(Top 675%)
25K15.53 mi2.42 mi27630+10011751+6611751+6627154(Top 96%)11521(Top 94%)11521(Top 671%)
30K18.64 mi3.11 mi27739-10911831-8011831-8027999(Top 99%)12055(Top 99%)12055(Top 702%)
20M20.00 mi1.36 mi27663+7611801+3011801+3026509(Top 93%)11292(Top 92%)11292(Top 657%)
21M21.00 mi1.00 mi27652+1111799+211799+227242(Top 96%)11693(Top 96%)11693(Top 681%)
35K21.75 mi0.75 mi27635+1711792+711792+726597(Top 94%)11390(Top 93%)11390(Top 663%)
23M23.00 mi1.25 mi27696-6111831-3911831-3928064(Top 99%)12114(Top 99%)12114(Top 705%)
24M24.00 mi1.00 mi27663+3311821+1011821+1026463(Top 93%)11353(Top 93%)11353(Top 661%)
40K24.85 mi0.85 mi27622+4111804+1711804+1725830(Top 91%)11056(Top 90%)11056(Top 644%)
25.2M25.20 mi0.35 mi27610+1211800+411800+426056(Top 92%)11214(Top 92%)11214(Top 653%)
Finish26.22 mi1.02 mi27586+2411787+1311787+1326228(Top 92%)11267(Top 92%)11267(Top 656%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

27732

Females

11821

F40-44

11821

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27378

Females

11592

F40-44

11592

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

27732

Females

11821

F40-44

11821

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27860

Females

11909

F40-44

11909

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27294

Females

11590

F40-44

11590

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27154

Females

11521

F40-44

11521

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

27999

Females

12055

F40-44

12055

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26509

Females

11292

F40-44

11292

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27242

Females

11693

F40-44

11693

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26597

Females

11390

F40-44

11390

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28064

Females

12114

F40-44

12114

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26463

Females

11353

F40-44

11353

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25830

Females

11056

F40-44

11056

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26056

Females

11214

F40-44

11214

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

26228

Females

11267

F40-44

11267

Passing Analysis

Category:
Athletes Passed
684
Passed By
593
Net Change
+91
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27677
5K → 10K18148+133#27677#27544
10K → 15K51160-109#27544#27653
15K → 20K31127-96#27653#27749
20K → Half278+19#27749#27730
Half → 25K11515+100#27730#27630
25K → 30K21130-109#27630#27739
30K → 20M804+76#27739#27663
20M → 21M2615+11#27663#27652
21M → 35K258+17#27652#27635
35K → 23M1071-61#27635#27696
23M → 24M374+33#27696#27663
24M → 40K421+41#27663#27622
40K → 25.2M120+12#27622#27610
25.2M → Finish262+24#27610#27586
TOTALS684593+91
📊

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