Boston Marathon logo
BOSTON MARATHON 2025

Antoine Bosfield

Bib: 2213•M

TN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2752
Start → 5K
6:21/mi
19:44 split
10K· 6.21 mi
39:01
Rank: #2276 (+476)
5K → 10K
6:12/mi
19:17 split
15K· 9.32 mi
58:14
Rank: #2091 (+185)
10K → 15K
6:11/mi
19:13 split
20K· 12.43 mi
1:17:41
Rank: #1998 (+93)
15K → 20K
6:16/mi
19:27 split
Half· 13.11 mi
1:21:52
Rank: #1977 (+21)
20K → Half
6:08/mi
4:11 split
25K· 15.53 mi
1:37:01
Rank: #1909 (+68)
Half → 25K
6:15/mi
15:09 split
30K· 18.64 mi
1:56:42
Rank: #1764 (+145)
25K → 30K
6:20/mi
19:41 split
20M
2:05:14
Rank: #1652 (+112)
30K → 20M
6:17/mi
8:32 split
21M
2:11:45
Rank: #1558 (+94)
20M → 21M
6:31/mi
6:31 split
35K· 21.75 mi
2:16:20
Rank: #1512 (+46)
21M → 35K
6:08/mi
4:35 split
23M
2:24:11
Rank: #1421 (+91)
35K → 23M
6:16/mi
7:51 split
24M
2:30:12
Rank: #1345 (+76)
23M → 24M
6:01/mi
6:01 split
40K· 24.85 mi
2:35:29
Rank: #1309 (+36)
24M → 40K
6:11/mi
5:17 split
25.2M
2:37:48
Rank: #1287 (+22)
40K → 25.2M
6:43/mi
2:19 split
Finish· 26.22 mi
2:43:43
Rank: #1217 (+70)
25.2M → Finish
5:48/mi
5:55 split

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
Time1:21:52
Pace6:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:51
Pace6:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3619:446:2119:44
6:21
-
10K
6.21 mi10:39:5339:016:1719:17
6:12
-0:09
15K
9.32 mi10:59:0658:146:1519:13
6:11
-0:01
20K
12.43 mi11:18:331:17:416:1519:27
6:16
+0:05
Half
13.11 mi11:22:441:21:526:154:11
6:08
-0:08
25K
15.53 mi11:37:531:37:016:1515:09
6:15
+0:07
30K
18.64 mi11:57:341:56:426:1619:41
6:20
+0:05
20M
20.00 mi12:06:062:05:146:168:32
6:17
-0:03
21M
21.00 mi12:12:372:11:456:166:31
6:31
+0:14
35K
21.75 mi12:17:122:16:206:164:35
6:08
-0:23
23M
23.00 mi12:25:032:24:116:167:51
6:16
+0:08
24M
24.00 mi12:31:042:30:126:166:01
6:01
-0:15
40K
24.85 mi12:36:212:35:296:155:17
6:11
+0:10
25.2M
25.20 mi12:38:402:37:486:162:19
6:43
+0:32
Finish
26.22 mi12:44:352:43:436:155:55
5:48
-0:55

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

5:48 /mi

Average Pace

6:15 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:53

95% of race

Time at Steady Pace

8:50

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:3619:446:2119:44
6:21
#2752
10K
6.21 mi10:39:5339:016:1719:17
6:12
#2276
15K
9.32 mi10:59:0658:146:1519:13
6:11
#2091
20K
12.43 mi11:18:331:17:416:1519:27
6:16
#1998
Half
13.11 mi11:22:441:21:526:154:11
6:08
#1977
25K
15.53 mi11:37:531:37:016:1515:09
6:15
#1909
30K
18.64 mi11:57:341:56:426:1619:41
6:20
#1764
20M
20.00 mi12:06:062:05:146:168:32
6:17
#1652
21M
21.00 mi12:12:372:11:456:166:31
6:31
#1558
35K
21.75 mi12:17:122:16:206:164:35
6:08
#1512
23M
23.00 mi12:25:032:24:116:167:51
6:16
#1421
24M
24.00 mi12:31:042:30:126:166:01
6:01
#1345
40K
24.85 mi12:36:212:35:296:155:17
6:11
#1309
25.2M
25.20 mi12:38:402:37:486:162:19
6:43
#1287
Finish
26.22 mi12:44:352:43:436:155:55
5:48
#1217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2752262226221769(Top 6%)1681(Top 10%)1681(Top 75%)
10K6.21 mi3.10 mi2276+4762173+4492173+4491944(Top 7%)1849(Top 11%)1849(Top 82%)
15K9.32 mi3.11 mi2091+1851994+1791994+1791769(Top 6%)1681(Top 10%)1681(Top 75%)
20K12.43 mi3.11 mi1998+931908+861908+861825(Top 6%)1736(Top 11%)1736(Top 77%)
Half13.11 mi0.68 mi1977+211887+211887+211630(Top 6%)1549(Top 10%)1549(Top 69%)
25K15.53 mi2.42 mi1909+681819+681819+681634(Top 6%)1554(Top 10%)1554(Top 69%)
30K18.64 mi3.11 mi1764+1451679+1401679+1401316(Top 5%)1243(Top 8%)1243(Top 55%)
20M20.00 mi1.36 mi1652+1121567+1121567+112918(Top 3%)866(Top 5%)866(Top 39%)
21M21.00 mi1.00 mi1558+941475+921475+92728(Top 3%)689(Top 4%)689(Top 31%)
35K21.75 mi0.75 mi1512+461430+451430+451015(Top 4%)956(Top 6%)956(Top 43%)
23M23.00 mi1.25 mi1421+911341+891341+89815(Top 3%)770(Top 5%)770(Top 34%)
24M24.00 mi1.00 mi1345+761267+741267+74625(Top 2%)585(Top 4%)585(Top 26%)
40K24.85 mi0.85 mi1309+361233+341233+34702(Top 2%)657(Top 4%)657(Top 29%)
25.2M25.20 mi0.35 mi1287+221211+221211+22791(Top 3%)734(Top 5%)734(Top 33%)
Finish26.22 mi1.02 mi1217+701142+691142+69524(Top 2%)491(Top 3%)491(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1769

Males

1681

M40-44

1681

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1944

Males

1849

M40-44

1849

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1769

Males

1681

M40-44

1681

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1825

Males

1736

M40-44

1736

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1630

Males

1549

M40-44

1549

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1634

Males

1554

M40-44

1554

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1316

Males

1243

M40-44

1243

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

918

Males

866

M40-44

866

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

728

Males

689

M40-44

689

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1015

Males

956

M40-44

956

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

815

Males

770

M40-44

770

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

625

Males

585

M40-44

585

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

702

Males

657

M40-44

657

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

791

Males

734

M40-44

734

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

524

Males

491

M40-44

491

Passing Analysis

Category:
Athletes Passed
1618
Passed By
83
Net Change
+1535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2752
5K → 10K4826+476#2752#2276
10K → 15K1938+185#2276#2091
15K → 20K11825+93#2091#1998
20K → Half232+21#1998#1977
Half → 25K8113+68#1977#1909
25K → 30K16015+145#1909#1764
30K → 20M1131+112#1764#1652
20M → 21M962+94#1652#1558
21M → 35K482+46#1558#1512
35K → 23M965+91#1512#1421
23M → 24M771+76#1421#1345
24M → 40K382+36#1345#1309
40K → 25.2M220+22#1309#1287
25.2M → Finish711+70#1287#1217
TOTALS161883+1535
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing