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BOSTON MARATHON 2025

Brett-Alexander Jackson

Bib: 32007•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:30
Rank: #27666
Start → 5K
34:30 | 11:06/mi
10K· 6.21 mi
1:10:34
Rank: #27692 (-26)
5K → 10K
36:04 | 11:37/mi
15K· 9.32 mi
1:47:42
Rank: #27679 (+13)
10K → 15K
37:08 | 11:57/mi
20K· 12.43 mi
2:24:41
Rank: #27515 (+164)
15K → 20K
36:59 | 11:54/mi
Half· 13.11 mi
2:33:13
Rank: #27552 (-37)
20K → Half
8:32 | 12:30/mi
25K· 15.53 mi
3:03:28
Rank: #27427 (+125)
Half → 25K
30:15 | 12:29/mi
30K· 18.64 mi
3:46:00
Rank: #27421 (+6)
25K → 30K
42:32 | 13:41/mi
20M
4:04:46
Rank: #27402 (+19)
30K → 20M
18:46 | 13:49/mi
21M
4:19:55
Rank: #27409 (-7)
20M → 21M
15:09 | 15:09/mi
35K· 21.75 mi
4:30:25
Rank: #27439 (-30)
21M → 35K
10:30 | 14:02/mi
23M
4:48:42
Rank: #27483 (-44)
35K → 23M
18:17 | 14:36/mi
24M
5:04:02
Rank: #27545 (-62)
23M → 24M
15:20 | 15:20/mi
40K· 24.85 mi
5:16:53
Rank: #27571 (-26)
24M → 40K
12:51 | 15:02/mi
25.2M
5:23:32
Rank: #27614 (-43)
40K → 25.2M
6:39 | 19:17/mi
Finish· 26.22 mi
5:37:53
Rank: #27660 (-46)
25.2M → Finish
14:21 | 14:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:13
Pace11:41 /mi
2nd Half
Distance13.11 mi
Time3:04:40
Pace14:05 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:2934:3011:0634:30
11:06
-
10K
6.21 mi12:36:331:10:3411:2136:04
11:37
+0:31
15K
9.32 mi13:13:411:47:4211:3337:08
11:57
+0:20
20K
12.43 mi13:50:402:24:4111:3936:59
11:54
-0:03
Half
13.11 mi13:59:122:33:1311:418:32
12:30
+0:36
25K
15.53 mi14:29:273:03:2811:4930:15
12:29
-0:01
30K
18.64 mi15:11:593:46:0012:0742:32
13:41
+1:12
20M
20.00 mi15:30:454:04:4612:1418:46
13:49
+0:08
21M
21.00 mi15:45:544:19:5512:2315:09
15:09
+1:20
35K
21.75 mi15:56:244:30:2512:2610:30
14:02
-1:07
23M
23.00 mi16:14:414:48:4212:3318:17
14:36
+0:34
24M
24.00 mi16:30:015:04:0212:4015:20
15:20
+0:44
40K
24.85 mi16:42:525:16:5312:4512:51
15:02
-0:18
25.2M
25.20 mi16:49:315:23:3212:506:39
19:17
+4:15
Finish
26.22 mi17:03:525:37:5312:5414:21
14:05
-5:12

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

11:06 /mi

Average Pace

12:54 /mi

Slowest Pace

19:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:28

54% of race

Time at Steady Pace

1:44:26

31% of race

Time at Slower Pace

49:59

15% of race

Average Pace: 12:53 /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 mi12:00:2934:3011:0634:30
11:06
#27666
10K
6.21 mi12:36:331:10:3411:2136:04
11:37
#27692
15K
9.32 mi13:13:411:47:4211:3337:08
11:57
#27679
20K
12.43 mi13:50:402:24:4111:3936:59
11:54
#27515
Half
13.11 mi13:59:122:33:1311:418:32
12:30
#27552
25K
15.53 mi14:29:273:03:2811:4930:15
12:29
#27427
30K
18.64 mi15:11:593:46:0012:0742:32
13:41
#27421
20M
20.00 mi15:30:454:04:4612:1418:46
13:49
#27402
21M
21.00 mi15:45:544:19:5512:2315:09
15:09
#27409
35K
21.75 mi15:56:244:30:2512:2610:30
14:02
#27439
23M
23.00 mi16:14:414:48:4212:3318:17
14:36
#27483
24M
24.00 mi16:30:015:04:0212:4015:20
15:20
#27545
40K
24.85 mi16:42:525:16:5312:4512:51
15:02
#27571
25.2M
25.20 mi16:49:315:23:3212:506:39
19:17
#27614
Finish
26.22 mi17:03:525:37:5312:5414:21
14:05
#27660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi27666158511585127590(Top 97%)15780(Top 98%)15780(Top 1253%)
10K6.21 mi3.10 mi27692-2615857-615857-627697(Top 98%)15848(Top 98%)15848(Top 1259%)
15K9.32 mi3.11 mi27679+1315844+1315844+1327590(Top 97%)15780(Top 98%)15780(Top 1253%)
20K12.43 mi3.11 mi27515+16415775+6915775+6927038(Top 95%)15559(Top 97%)15559(Top 1236%)
Half13.11 mi0.68 mi27552-3715784-915784-927770(Top 98%)15831(Top 98%)15831(Top 1257%)
25K15.53 mi2.42 mi27427+12515722+6215722+6226909(Top 95%)15464(Top 96%)15464(Top 1228%)
30K18.64 mi3.11 mi27421+615698+2415698+2427278(Top 96%)15564(Top 97%)15564(Top 1236%)
20M20.00 mi1.36 mi27402+1915683+1515683+1527151(Top 96%)15447(Top 96%)15447(Top 1227%)
21M21.00 mi1.00 mi27409-715686-315686-327277(Top 96%)15496(Top 96%)15496(Top 1231%)
35K21.75 mi0.75 mi27439-3015696-1015696-1027713(Top 98%)15682(Top 97%)15682(Top 1246%)
23M23.00 mi1.25 mi27483-4415706-1015706-1027708(Top 98%)15681(Top 97%)15681(Top 1246%)
24M24.00 mi1.00 mi27545-6215724-1815724-1828119(Top 99%)15906(Top 99%)15906(Top 1263%)
40K24.85 mi0.85 mi27571-2615730-615730-627777(Top 98%)15706(Top 98%)15706(Top 1247%)
25.2M25.20 mi0.35 mi27614-4315742-1215742-1228327(Top 100%)16050(Top 100%)16050(Top 1275%)
Finish26.22 mi1.02 mi27660-4615754-1215754-1228068(Top 99%)15882(Top 99%)15882(Top 1261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27590

Males

15780

M60-64

15780

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27697

Males

15848

M60-64

15848

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27590

Males

15780

M60-64

15780

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27038

Males

15559

M60-64

15559

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27770

Males

15831

M60-64

15831

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

26909

Males

15464

M60-64

15464

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27278

Males

15564

M60-64

15564

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27151

Males

15447

M60-64

15447

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27277

Males

15496

M60-64

15496

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27713

Males

15682

M60-64

15682

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27708

Males

15681

M60-64

15681

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28119

Males

15906

M60-64

15906

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27777

Males

15706

M60-64

15706

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28327

Males

16050

M60-64

16050

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28068

Males

15882

M60-64

15882

Passing Analysis

Category:
Athletes Passed
663
Passed By
657
Net Change
+6
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27666
5K → 10K85111-26#27666#27692
10K → 15K9279+13#27692#27679
15K → 20K18016+164#27679#27515
20K → Half340-37#27515#27552
Half → 25K14217+125#27552#27427
25K → 30K7468+6#27427#27421
30K → 20M4021+19#27421#27402
20M → 21M1724-7#27402#27409
21M → 35K333-30#27409#27439
35K → 23M1256-44#27439#27483
23M → 24M567-62#27483#27545
24M → 40K733-26#27545#27571
40K → 25.2M144-43#27571#27614
25.2M → Finish248-46#27614#27660
TOTALS663657+6
📊

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