Boston Marathon logo
BOSTON MARATHON 2025

Robyn Bancroft

Bib: 22213•F

ND

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:06/mi
28:16
↑ 97↓ 3451.5%
10K· 6.21 mi
9:21/mi
57:19
↑ 79↓ 1380.4%
15K· 9.32 mi
9:34/mi
1:27:02
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:00:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:24/mi
2:07:44
↑ 19↓ 370.5%
25K· 15.53 mi
10:20/mi
2:32:48
↑ 66↓ 880.2%
30K· 18.64 mi
11:50/mi
3:09:35
↑ 181↓ 1480.2%
20M
12:42/mi
3:26:50
↑ 64↓ 500.2%
21M
14:14/mi
3:41:04
↑ 106↓ 241.6%
35K· 21.75 mi
11:40/mi
3:49:48
↑ 17↓ 861.7%
23M
12:52/mi
4:05:54
↑ 23↓ 630.6%
24M
12:25/mi
4:18:19
↓ 821.3%
40K· 24.85 mi
12:13/mi
4:28:46
↓ 200.3%
25.2M
12:11/mi
4:32:58
↑ 13↓ 160.2%
Finish· 26.22 mi
10:44/mi
4:43:54
↑ 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
Time2:07:44
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:36:10
Pace11:55 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4628:169:0628:16
9:06
-
10K
6.21 mi11:51:4957:199:1329:03
9:21
+0:15
15K
9.32 mi12:21:321:27:029:2029:43
9:34
+0:13
20K
12.43 mi12:55:082:00:389:4233:36
10:49
+1:15
Half
13.11 mi13:02:142:07:449:457:06
10:24
-0:25
25K
15.53 mi13:27:182:32:489:5025:04
10:20
-0:04
30K
18.64 mi14:04:053:09:3510:1036:47
11:50
+1:30
20M
20.00 mi14:21:203:26:5010:2017:15
12:42
+0:52
21M
21.00 mi14:35:343:41:0410:3214:14
14:14
+1:32
35K
21.75 mi14:44:183:49:4810:348:44
11:40
-2:34
23M
23.00 mi15:00:244:05:5410:4116:06
12:52
+1:12
24M
24.00 mi15:12:494:18:1910:4612:25
12:25
-0:27
40K
24.85 mi15:23:164:28:4610:4910:27
12:13
-0:12
25.2M
25.20 mi15:27:284:32:5810:504:12
12:11
-0:02
Finish
26.22 mi15:38:244:43:5410:5010:56
10:44
-1:27

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

9:06 /mi

Average Pace

10:50 /mi

Slowest Pace

14:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:44

58% of race

Time at Steady Pace

1:00:10

21% of race

Time at Slower Pace

1:00:00

21% of race

Average Pace: 10:50 /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 mi11:22:4628:169:0628:16
9:06
#22835
10K
6.21 mi11:51:4957:199:1329:03
9:21
#23287
15K
9.32 mi12:21:321:27:029:2029:43
9:34
#23564
20K
12.43 mi12:55:082:00:389:4233:36
10:49
#24321
Half
13.11 mi13:02:142:07:449:457:06
10:24
#24384
25K
15.53 mi13:27:182:32:489:5025:04
10:20
#24342
30K
18.64 mi14:04:053:09:3510:1036:47
11:50
#24600
20M
20.00 mi14:21:203:26:5010:2017:15
12:42
#24766
21M
21.00 mi14:35:343:41:0410:3214:14
14:14
#24914
35K
21.75 mi14:44:183:49:4810:348:44
11:40
#24960
23M
23.00 mi15:00:244:05:5410:4116:06
12:52
#25064
24M
24.00 mi15:12:494:18:1910:4612:25
12:25
#25107
40K
24.85 mi15:23:164:28:4610:4910:27
12:13
#25127
25.2M
25.20 mi15:27:284:32:5810:504:12
12:11
#25116
Finish
26.22 mi15:38:244:43:5410:5010:56
10:44
#25110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi228359092909223909(Top 84%)9610(Top 79%)9610(Top 530%)
10K6.21 mi3.10 mi23287-4529311-2199311-21923678(Top 83%)9509(Top 78%)9509(Top 524%)
15K9.32 mi3.11 mi23564-2779445-1349445-13423909(Top 84%)9610(Top 79%)9610(Top 530%)
20K12.43 mi3.11 mi24321-7579875-4309875-43025732(Top 91%)10660(Top 87%)10660(Top 588%)
Half13.11 mi0.68 mi24384-639910-359910-3525611(Top 90%)10605(Top 87%)10605(Top 585%)
25K15.53 mi2.42 mi24342+429905+59905+524032(Top 85%)9761(Top 80%)9761(Top 538%)
30K18.64 mi3.11 mi24600-25810059-15410059-15425368(Top 89%)10597(Top 87%)10597(Top 585%)
20M20.00 mi1.36 mi24766-16610168-10910168-10926126(Top 92%)11074(Top 91%)11074(Top 611%)
21M21.00 mi1.00 mi24914-14810258-9010258-9026466(Top 93%)11292(Top 92%)11292(Top 623%)
35K21.75 mi0.75 mi24960-4610290-3210290-3225340(Top 89%)10761(Top 88%)10761(Top 594%)
23M23.00 mi1.25 mi25064-10410368-7810368-7826215(Top 92%)11204(Top 92%)11204(Top 618%)
24M24.00 mi1.00 mi25107-4310399-3110399-3126205(Top 92%)11224(Top 92%)11224(Top 619%)
40K24.85 mi0.85 mi25127-2010417-1810417-1825258(Top 89%)10795(Top 88%)10795(Top 595%)
25.2M25.20 mi0.35 mi25116+1110414+310414+323531(Top 83%)9934(Top 81%)9934(Top 548%)
Finish26.22 mi1.02 mi25110+610418-410418-424771(Top 87%)10545(Top 86%)10545(Top 582%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23909

Females

9610

F45-49

9610

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23678

Females

9509

F45-49

9509

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23909

Females

9610

F45-49

9610

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25732

Females

10660

F45-49

10660

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25611

Females

10605

F45-49

10605

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24032

Females

9761

F45-49

9761

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25368

Females

10597

F45-49

10597

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26126

Females

11074

F45-49

11074

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26466

Females

11292

F45-49

11292

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25340

Females

10761

F45-49

10761

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26215

Females

11204

F45-49

11204

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26205

Females

11224

F45-49

11224

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25258

Females

10795

F45-49

10795

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23531

Females

9934

F45-49

9934

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24771

Females

10545

F45-49

10545

Passing Analysis

Category:
Athletes Passed
566
Passed By
2841
Net Change
-2275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22835
5K → 10K87539-452#22835#23287
10K → 15K94371-277#23287#23564
15K → 20K15772-757#23564#24321
20K → Half871-63#24321#24384
Half → 25K13795+42#24384#24342
25K → 30K68326-258#24342#24600
30K → 20M20186-166#24600#24766
20M → 21M13161-148#24766#24914
21M → 35K2066-46#24914#24960
35K → 23M16120-104#24960#25064
23M → 24M2265-43#25064#25107
24M → 40K1838-20#25107#25127
40K → 25.2M187+11#25127#25116
25.2M → Finish3024+6#25116#25110
TOTALS5662841-2275
📊

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