Boston Marathon logo
BOSTON MARATHON 2025

Brandon Knox

Bib: 31363•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:04
Rank: #24779
Start → 5K
30:04 | 9:41/mi
10K· 6.21 mi
1:01:15
Rank: #25082 (-303)
5K → 10K
31:11 | 10:02/mi
15K· 9.32 mi
1:31:22
Rank: #24828 (+254)
10K → 15K
30:07 | 9:42/mi
20K· 12.43 mi
2:02:01
Rank: #24578 (+250)
15K → 20K
30:39 | 9:52/mi
Half· 13.11 mi
2:08:20
Rank: #24499 (+79)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:32:01
Rank: #24209 (+290)
Half → 25K
23:41 | 9:46/mi
30K· 18.64 mi
3:02:44
Rank: #23677 (+532)
25K → 30K
30:43 | 9:53/mi
20M
3:16:13
Rank: #23461 (+216)
30K → 20M
13:29 | 9:55/mi
21M
3:26:31
Rank: #23244 (+217)
20M → 21M
10:18 | 10:18/mi
35K· 21.75 mi
3:33:35
Rank: #23136 (+108)
21M → 35K
7:04 | 9:27/mi
23M
3:45:46
Rank: #22940 (+196)
35K → 23M
12:11 | 9:44/mi
24M
3:55:04
Rank: #22762 (+178)
23M → 24M
9:18 | 9:18/mi
40K· 24.85 mi
4:03:05
Rank: #22612 (+150)
24M → 40K
8:01 | 9:23/mi
25.2M
4:06:40
Rank: #22574 (+38)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
4:15:48
Rank: #22452 (+122)
25.2M → Finish
9:08 | 8:58/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
Time2:08:20
Pace9:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:07:28
Pace9:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1630:049:4130:04
9:41
-
10K
6.21 mi12:24:271:01:159:5131:11
10:02
+0:21
15K
9.32 mi12:54:341:31:229:4830:07
9:42
-0:20
20K
12.43 mi13:25:132:02:019:4930:39
9:52
+0:10
Half
13.11 mi13:31:322:08:209:476:19
9:16
-0:36
25K
15.53 mi13:55:132:32:019:4723:41
9:46
+0:30
30K
18.64 mi14:25:563:02:449:4830:43
9:53
+0:07
20M
20.00 mi14:39:253:16:139:4913:29
9:55
+0:02
21M
21.00 mi14:49:433:26:319:5010:18
10:18
+0:23
35K
21.75 mi14:56:473:33:359:497:04
9:27
-0:51
23M
23.00 mi15:08:583:45:469:4912:11
9:44
+0:17
24M
24.00 mi15:18:163:55:049:489:18
9:18
-0:26
40K
24.85 mi15:26:174:03:059:478:01
9:23
+0:05
25.2M
25.20 mi15:29:524:06:409:473:35
10:23
+1:00
Finish
26.22 mi15:39:004:15:489:469:08
8:58
-1:25

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

8:58 /mi

Average Pace

9:46 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:53

53% of race

Time at Steady Pace

1:59:55

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:45 /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 mi11:53:1630:049:4130:04
9:41
#24779
10K
6.21 mi12:24:271:01:159:5131:11
10:02
#25082
15K
9.32 mi12:54:341:31:229:4830:07
9:42
#24828
20K
12.43 mi13:25:132:02:019:4930:39
9:52
#24578
Half
13.11 mi13:31:322:08:209:476:19
9:16
#24499
25K
15.53 mi13:55:132:32:019:4723:41
9:46
#24209
30K
18.64 mi14:25:563:02:449:4830:43
9:53
#23677
20M
20.00 mi14:39:253:16:139:4913:29
9:55
#23461
21M
21.00 mi14:49:433:26:319:5010:18
10:18
#23244
35K
21.75 mi14:56:473:33:359:497:04
9:27
#23136
23M
23.00 mi15:08:583:45:469:4912:11
9:44
#22940
24M
24.00 mi15:18:163:55:049:489:18
9:18
#22762
40K
24.85 mi15:26:174:03:059:478:01
9:23
#22612
25.2M
25.20 mi15:29:524:06:409:473:35
10:23
#22574
Finish
26.22 mi15:39:004:15:489:469:08
8:58
#22452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24779146151461524253(Top 85%)14377(Top 89%)14377(Top 255%)
10K6.21 mi3.10 mi25082-30314749-13414749-13425392(Top 89%)14873(Top 92%)14873(Top 264%)
15K9.32 mi3.11 mi24828+25414633+11614633+11624253(Top 85%)14377(Top 89%)14377(Top 255%)
20K12.43 mi3.11 mi24578+25014500+13314500+13323917(Top 84%)14194(Top 88%)14194(Top 252%)
Half13.11 mi0.68 mi24499+7914458+4214458+4222794(Top 80%)13698(Top 85%)13698(Top 243%)
25K15.53 mi2.42 mi24209+29014321+13714321+13722686(Top 80%)13599(Top 84%)13599(Top 241%)
30K18.64 mi3.11 mi23677+53214057+26414057+26421258(Top 75%)12826(Top 80%)12826(Top 227%)
20M20.00 mi1.36 mi23461+21613947+11013947+11020676(Top 73%)12447(Top 77%)12447(Top 221%)
21M21.00 mi1.00 mi23244+21713826+12113826+12119374(Top 68%)11788(Top 73%)11788(Top 209%)
35K21.75 mi0.75 mi23136+10813770+5613770+5620142(Top 71%)12045(Top 75%)12045(Top 213%)
23M23.00 mi1.25 mi22940+19613647+12313647+12319556(Top 69%)11698(Top 73%)11698(Top 207%)
24M24.00 mi1.00 mi22762+17813551+9613551+9618816(Top 66%)11330(Top 70%)11330(Top 201%)
40K24.85 mi0.85 mi22612+15013458+9313458+9318182(Top 64%)10927(Top 68%)10927(Top 194%)
25.2M25.20 mi0.35 mi22574+3813434+2413434+2418604(Top 65%)11136(Top 69%)11136(Top 197%)
Finish26.22 mi1.02 mi22452+12213360+7413360+7418843(Top 66%)11292(Top 70%)11292(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24253

Males

14377

M18-39

14377

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25392

Males

14873

M18-39

14873

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24253

Males

14377

M18-39

14377

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23917

Males

14194

M18-39

14194

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22794

Males

13698

M18-39

13698

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22686

Males

13599

M18-39

13599

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21258

Males

12826

M18-39

12826

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20676

Males

12447

M18-39

12447

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19374

Males

11788

M18-39

11788

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20142

Males

12045

M18-39

12045

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19556

Males

11698

M18-39

11698

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18816

Males

11330

M18-39

11330

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18182

Males

10927

M18-39

10927

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18604

Males

11136

M18-39

11136

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18843

Males

11292

M18-39

11292

Passing Analysis

Category:
Athletes Passed
2833
Passed By
506
Net Change
+2327
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24779
5K → 10K94397-303#24779#25082
10K → 15K28228+254#25082#24828
15K → 20K28535+250#24828#24578
20K → Half790+79#24578#24499
Half → 25K30616+290#24499#24209
25K → 30K5353+532#24209#23677
30K → 20M2215+216#23677#23461
20M → 21M2214+217#23461#23244
21M → 35K1113+108#23244#23136
35K → 23M2004+196#23136#22940
23M → 24M1780+178#22940#22762
24M → 40K1522+150#22762#22612
40K → 25.2M413+38#22612#22574
25.2M → Finish1286+122#22574#22452
TOTALS2833506+2327
📊

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