Boston Marathon logo
BOSTON MARATHON 2025

Walter Banfield

Bib: 4261•M

MD

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #5248
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:49
Rank: #5655 (-407)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:02:24
Rank: #5206 (+449)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:23:52
Rank: #5458 (-252)
15K → 20K
21:28 | 6:55/mi
Half· 13.11 mi
1:28:32
Rank: #5509 (-51)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:45:12
Rank: #5478 (+31)
Half → 25K
16:40 | 6:52/mi
30K· 18.64 mi
2:06:39
Rank: #5103 (+375)
25K → 30K
21:27 | 6:54/mi
20M
2:16:04
Rank: #4952 (+151)
30K → 20M
9:25 | 6:56/mi
21M
2:23:21
Rank: #4819 (+133)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:28:16
Rank: #4693 (+126)
21M → 35K
4:55 | 6:34/mi
23M
2:36:41
Rank: #4475 (+218)
35K → 23M
8:25 | 6:43/mi
24M
2:43:21
Rank: #4357 (+118)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:49:00
Rank: #4213 (+144)
24M → 40K
5:39 | 6:36/mi
25.2M
2:51:26
Rank: #4151 (+62)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:57:29
Rank: #3887 (+264)
25.2M → Finish
6:03 | 5:56/mi

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
Time1:28:32
Pace6:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:57
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5520:456:4120:45
6:41
-
10K
6.21 mi10:43:5941:496:4421:04
6:47
+0:06
15K
9.32 mi11:04:341:02:246:4220:35
6:38
-0:09
20K
12.43 mi11:26:021:23:526:4521:28
6:55
+0:17
Half
13.11 mi11:30:421:28:326:454:40
6:50
-0:05
25K
15.53 mi11:47:221:45:126:4616:40
6:52
+0:02
30K
18.64 mi12:08:492:06:396:4821:27
6:54
+0:02
20M
20.00 mi12:18:142:16:046:489:25
6:56
+0:02
21M
21.00 mi12:25:312:23:216:507:17
7:17
+0:21
35K
21.75 mi12:30:262:28:166:494:55
6:34
-0:43
23M
23.00 mi12:38:512:36:416:498:25
6:43
+0:09
24M
24.00 mi12:45:312:43:216:486:40
6:40
-0:03
40K
24.85 mi12:51:102:49:006:485:39
6:36
-0:04
25.2M
25.20 mi12:53:362:51:266:482:26
7:03
+0:27
Finish
26.22 mi12:59:392:57:296:466:03
5:56
-1:07

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

5:56 /mi

Average Pace

6:46 /mi

Slowest Pace

7:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:12

21% of race

Time at Steady Pace

2:01:09

68% of race

Time at Slower Pace

19:08

11% of race

Average Pace: 6:46 /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 mi10:22:5520:456:4120:45
6:41
#5248
10K
6.21 mi10:43:5941:496:4421:04
6:47
#5655
15K
9.32 mi11:04:341:02:246:4220:35
6:38
#5206
20K
12.43 mi11:26:021:23:526:4521:28
6:55
#5458
Half
13.11 mi11:30:421:28:326:454:40
6:50
#5509
25K
15.53 mi11:47:221:45:126:4616:40
6:52
#5478
30K
18.64 mi12:08:492:06:396:4821:27
6:54
#5103
20M
20.00 mi12:18:142:16:046:489:25
6:56
#4952
21M
21.00 mi12:25:312:23:216:507:17
7:17
#4819
35K
21.75 mi12:30:262:28:166:494:55
6:34
#4693
23M
23.00 mi12:38:512:36:416:498:25
6:43
#4475
24M
24.00 mi12:45:312:43:216:486:40
6:40
#4357
40K
24.85 mi12:51:102:49:006:485:39
6:36
#4213
25.2M
25.20 mi12:53:362:51:266:482:26
7:03
#4151
Finish
26.22 mi12:59:392:57:296:466:03
5:56
#3887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5248488348834435(Top 16%)4156(Top 26%)4156(Top 74%)
10K6.21 mi3.10 mi5655-4075223-3405223-3406148(Top 22%)5600(Top 35%)5600(Top 99%)
15K9.32 mi3.11 mi5206+4494837+3864837+3864435(Top 16%)4156(Top 26%)4156(Top 74%)
20K12.43 mi3.11 mi5458-2525035-1985035-1986249(Top 22%)5621(Top 35%)5621(Top 100%)
Half13.11 mi0.68 mi5509-515072-375072-376385(Top 22%)5725(Top 36%)5725(Top 101%)
25K15.53 mi2.42 mi5478+315036+365036+365442(Top 19%)4946(Top 31%)4946(Top 88%)
30K18.64 mi3.11 mi5103+3754698+3384698+3384095(Top 14%)3766(Top 23%)3766(Top 67%)
20M20.00 mi1.36 mi4952+1514569+1294569+1293666(Top 13%)3372(Top 21%)3372(Top 60%)
21M21.00 mi1.00 mi4819+1334451+1184451+1183527(Top 12%)3226(Top 20%)3226(Top 57%)
35K21.75 mi0.75 mi4693+1264334+1174334+1172822(Top 10%)2604(Top 16%)2604(Top 46%)
23M23.00 mi1.25 mi4475+2184139+1954139+1952346(Top 8%)2184(Top 14%)2184(Top 39%)
24M24.00 mi1.00 mi4357+1184024+1154024+1152788(Top 10%)2555(Top 16%)2555(Top 45%)
40K24.85 mi0.85 mi4213+1443891+1333891+1332001(Top 7%)1844(Top 11%)1844(Top 33%)
25.2M25.20 mi0.35 mi4151+623832+593832+591664(Top 6%)1521(Top 9%)1521(Top 27%)
Finish26.22 mi1.02 mi3887+2643596+2363596+236789(Top 3%)743(Top 5%)743(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4435

Males

4156

M18-39

4156

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6148

Males

5600

M18-39

5600

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4435

Males

4156

M18-39

4156

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6249

Males

5621

M18-39

5621

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6385

Males

5725

M18-39

5725

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5442

Males

4946

M18-39

4946

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4095

Males

3766

M18-39

3766

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3666

Males

3372

M18-39

3372

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3527

Males

3226

M18-39

3226

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2822

Males

2604

M18-39

2604

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2346

Males

2184

M18-39

2184

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2788

Males

2555

M18-39

2555

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2001

Males

1844

M18-39

1844

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1664

Males

1521

M18-39

1521

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

789

Males

743

M18-39

743

Passing Analysis

Category:
Athletes Passed
2376
Passed By
1015
Net Change
+1361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5248
5K → 10K63470-407#5248#5655
10K → 15K4589+449#5655#5206
15K → 20K57309-252#5206#5458
20K → Half1768-51#5458#5509
Half → 25K12897+31#5509#5478
25K → 30K39217+375#5478#5103
30K → 20M16211+151#5103#4952
20M → 21M14815+133#4952#4819
21M → 35K1282+126#4819#4693
35K → 23M2235+218#4693#4475
23M → 24M1257+118#4475#4357
24M → 40K1495+144#4357#4213
40K → 25.2M620+62#4213#4151
25.2M → Finish2640+264#4151#3887
TOTALS23761015+1361
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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