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BOSTON MARATHON 2025

Byron Gartrell

Bib: 5367•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #5828
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:57
Rank: #5836 (-8)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:03:08
Rank: #5935 (-99)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:25:01
Rank: #6319 (-384)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:29:37
Rank: #6286 (+33)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:48:51
Rank: #7307 (-1021)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:11:52
Rank: #7174 (+133)
25K → 30K
23:01 | 7:25/mi
20M
2:24:02
Rank: #7754 (-580)
30K → 20M
12:10 | 8:57/mi
21M
2:33:00
Rank: #8011 (-257)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:37:49
Rank: #7726 (+285)
21M → 35K
4:49 | 6:26/mi
23M
2:46:44
Rank: #7453 (+273)
35K → 23M
8:55 | 7:07/mi
24M
2:54:41
Rank: #7565 (-112)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:01:55
Rank: #7733 (-168)
24M → 40K
7:14 | 8:28/mi
25.2M
3:04:41
Rank: #7673 (+60)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:11:55
Rank: #7592 (+81)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:42:18
Pace7:48 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5020:576:4520:57
6:45
-
10K
6.21 mi10:45:5041:576:4521:00
6:46
+0:01
15K
9.32 mi11:07:011:03:086:4621:11
6:49
+0:03
20K
12.43 mi11:28:541:25:016:5021:53
7:03
+0:14
Half
13.11 mi11:33:301:29:376:504:36
6:45
-0:18
25K
15.53 mi11:52:441:48:517:0019:14
7:56
+1:11
30K
18.64 mi12:15:452:11:527:0423:01
7:25
-0:31
20M
20.00 mi12:27:552:24:027:1212:10
8:57
+1:32
21M
21.00 mi12:36:532:33:007:178:58
8:58
+0:01
35K
21.75 mi12:41:422:37:497:154:49
6:26
-2:32
23M
23.00 mi12:50:372:46:447:158:55
7:07
+0:41
24M
24.00 mi12:58:342:54:417:177:57
7:57
+0:50
40K
24.85 mi13:05:483:01:557:197:14
8:28
+0:31
25.2M
25.20 mi13:08:343:04:417:202:46
8:01
-0:27
Finish
26.22 mi13:15:483:11:557:207:14
7:06
-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

6:26 /mi

Average Pace

7:20 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:49

3% of race

Time at Steady Pace

2:08:47

67% of race

Time at Slower Pace

58:19

30% of race

Average Pace: 7:19 /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 mi10:24:5020:576:4520:57
6:45
#5828
10K
6.21 mi10:45:5041:576:4521:00
6:46
#5836
15K
9.32 mi11:07:011:03:086:4621:11
6:49
#5935
20K
12.43 mi11:28:541:25:016:5021:53
7:03
#6319
Half
13.11 mi11:33:301:29:376:504:36
6:45
#6286
25K
15.53 mi11:52:441:48:517:0019:14
7:56
#7307
30K
18.64 mi12:15:452:11:527:0423:01
7:25
#7174
20M
20.00 mi12:27:552:24:027:1212:10
8:57
#7754
21M
21.00 mi12:36:532:33:007:178:58
8:58
#8011
35K
21.75 mi12:41:422:37:497:154:49
6:26
#7726
23M
23.00 mi12:50:372:46:447:158:55
7:07
#7453
24M
24.00 mi12:58:342:54:417:177:57
7:57
#7565
40K
24.85 mi13:05:483:01:557:197:14
8:28
#7733
25.2M
25.20 mi13:08:343:04:417:202:46
8:01
#7673
Finish
26.22 mi13:15:483:11:557:207:14
7:06
#7592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5828537353736252(Top 22%)5662(Top 35%)5662(Top 252%)
10K6.21 mi3.10 mi5836-85374-15374-15947(Top 21%)5441(Top 34%)5441(Top 242%)
15K9.32 mi3.11 mi5935-995442-685442-686252(Top 22%)5662(Top 35%)5662(Top 252%)
20K12.43 mi3.11 mi6319-3845735-2935735-2937139(Top 25%)6303(Top 39%)6303(Top 281%)
Half13.11 mi0.68 mi6286+335705+305705+305624(Top 20%)5144(Top 32%)5144(Top 229%)
25K15.53 mi2.42 mi7307-10216472-7676472-76713331(Top 47%)9440(Top 59%)9440(Top 420%)
30K18.64 mi3.11 mi7174+1336328+1446328+1447092(Top 25%)6028(Top 37%)6028(Top 268%)
20M20.00 mi1.36 mi7754-5806690-3626690-36216518(Top 58%)10581(Top 66%)10581(Top 471%)
21M21.00 mi1.00 mi8011-2576806-1166806-11613262(Top 47%)8969(Top 56%)8969(Top 399%)
35K21.75 mi0.75 mi7726+2856611+1956611+1952187(Top 8%)2046(Top 13%)2046(Top 91%)
23M23.00 mi1.25 mi7453+2736394+2176394+2174450(Top 16%)3917(Top 24%)3917(Top 174%)
24M24.00 mi1.00 mi7565-1126429-356429-3510843(Top 38%)7580(Top 47%)7580(Top 337%)
40K24.85 mi0.85 mi7733-1686500-716500-7113132(Top 46%)8571(Top 53%)8571(Top 381%)
25.2M25.20 mi0.35 mi7673+606447+536447+536015(Top 21%)4741(Top 29%)4741(Top 211%)
Finish26.22 mi1.02 mi7592+816368+796368+796347(Top 22%)4947(Top 31%)4947(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6252

Males

5662

M40-44

5662

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5947

Males

5441

M40-44

5441

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6252

Males

5662

M40-44

5662

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7139

Males

6303

M40-44

6303

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5624

Males

5144

M40-44

5144

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13331

Males

9440

M40-44

9440

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7092

Males

6028

M40-44

6028

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16518

Males

10581

M40-44

10581

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13262

Males

8969

M40-44

8969

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2187

Males

2046

M40-44

2046

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4450

Males

3917

M40-44

3917

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10843

Males

7580

M40-44

7580

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13132

Males

8571

M40-44

8571

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6015

Males

4741

M40-44

4741

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6347

Males

4947

M40-44

4947

Passing Analysis

Category:
Athletes Passed
1516
Passed By
3280
Net Change
-1764
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5828
5K → 10K175183-8#5828#5836
10K → 15K100199-99#5836#5935
15K → 20K69453-384#5935#6319
20K → Half4310+33#6319#6286
Half → 25K141035-1021#6286#7307
25K → 30K238105+133#7307#7174
30K → 20M15595-580#7174#7754
20M → 21M50307-257#7754#8011
21M → 35K2850+285#8011#7726
35K → 23M2763+273#7726#7453
23M → 24M40152-112#7453#7565
24M → 40K33201-168#7565#7733
40K → 25.2M688+60#7733#7673
25.2M → Finish11029+81#7673#7592
TOTALS15163280-1764
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing