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BOSTON MARATHON 2025

Alexander Reyes Negron

Bib: 30306•M

MA

0:00
0:00
/ mi
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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
32:55
Rank: #26952
Start → 5K
32:55 | 10:36/mi
10K· 6.21 mi
1:06:08
Rank: #26755 (+197)
5K → 10K
33:13 | 10:41/mi
15K· 9.32 mi
1:38:50
Rank: #26467 (+288)
10K → 15K
32:42 | 10:32/mi
20K· 12.43 mi
2:13:02
Rank: #26327 (+140)
15K → 20K
34:12 | 11:00/mi
Half· 13.11 mi
2:19:40
Rank: #26240 (+87)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:46:43
Rank: #26092 (+148)
Half → 25K
27:03 | 11:09/mi
30K· 18.64 mi
3:23:39
Rank: #25942 (+150)
25K → 30K
36:56 | 11:53/mi
20M
3:43:28
Rank: #26178 (-236)
30K → 20M
19:49 | 14:35/mi
21M
3:58:58
Rank: #26316 (-138)
20M → 21M
15:30 | 15:30/mi
35K· 21.75 mi
4:08:07
Rank: #26314 (+2)
21M → 35K
9:09 | 12:14/mi
23M
4:23:11
Rank: #26256 (+58)
35K → 23M
15:04 | 12:02/mi
24M
4:34:59
Rank: #26218 (+38)
23M → 24M
11:48 | 11:48/mi
40K· 24.85 mi
4:45:54
Rank: #26224 (-6)
24M → 40K
10:55 | 12:46/mi
25.2M
4:49:30
Rank: #26178 (+46)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:58:09
Rank: #26033 (+145)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:40
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:38:29
Pace12:05 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0032:5510:3632:55
10:36
-
10K
6.21 mi12:32:131:06:0810:3933:13
10:41
+0:05
15K
9.32 mi13:04:551:38:5010:3632:42
10:32
-0:09
20K
12.43 mi13:39:072:13:0210:4234:12
11:00
+0:28
Half
13.11 mi13:45:452:19:4010:396:38
9:43
-1:17
25K
15.53 mi14:12:482:46:4310:4427:03
11:09
+1:26
30K
18.64 mi14:49:443:23:3910:5536:56
11:53
+0:44
20M
20.00 mi15:09:333:43:2811:1019:49
14:35
+2:42
21M
21.00 mi15:25:033:58:5811:2315:30
15:30
+0:55
35K
21.75 mi15:34:124:08:0711:259:09
12:14
-3:16
23M
23.00 mi15:49:164:23:1111:2715:04
12:02
-0:12
24M
24.00 mi16:01:044:34:5911:2711:48
11:48
-0:14
40K
24.85 mi16:11:594:45:5411:3010:55
12:46
+0:58
25.2M
25.20 mi16:15:354:49:3011:293:36
10:26
-2:20
Finish
26.22 mi16:24:144:58:0911:238:39
8:29
-1:57

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

8:29 /mi

Average Pace

11:23 /mi

Slowest Pace

15:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:17

5% of race

Time at Steady Pace

3:32:25

71% of race

Time at Slower Pace

1:10:27

24% of race

Average Pace: 11:22 /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 mi11:59:0032:5510:3632:55
10:36
#26952
10K
6.21 mi12:32:131:06:0810:3933:13
10:41
#26755
15K
9.32 mi13:04:551:38:5010:3632:42
10:32
#26467
20K
12.43 mi13:39:072:13:0210:4234:12
11:00
#26327
Half
13.11 mi13:45:452:19:4010:396:38
9:43
#26240
25K
15.53 mi14:12:482:46:4310:4427:03
11:09
#26092
30K
18.64 mi14:49:443:23:3910:5536:56
11:53
#25942
20M
20.00 mi15:09:333:43:2811:1019:49
14:35
#26178
21M
21.00 mi15:25:033:58:5811:2315:30
15:30
#26316
35K
21.75 mi15:34:124:08:0711:259:09
12:14
#26314
23M
23.00 mi15:49:164:23:1111:2715:04
12:02
#26256
24M
24.00 mi16:01:044:34:5911:2711:48
11:48
#26218
40K
24.85 mi16:11:594:45:5411:3010:55
12:46
#26224
25.2M
25.20 mi16:15:354:49:3011:293:36
10:26
#26178
Finish
26.22 mi16:24:144:58:0911:238:39
8:29
#26033
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26952155861558625989(Top 91%)15141(Top 94%)15141(Top 268%)
10K6.21 mi3.10 mi26755+19715488+9815488+9826586(Top 94%)15406(Top 96%)15406(Top 273%)
15K9.32 mi3.11 mi26467+28815368+12015368+12025989(Top 91%)15141(Top 94%)15141(Top 268%)
20K12.43 mi3.11 mi26327+14015297+7115297+7126012(Top 92%)15128(Top 94%)15128(Top 268%)
Half13.11 mi0.68 mi26240+8715257+4015257+4024166(Top 85%)14315(Top 89%)14315(Top 254%)
25K15.53 mi2.42 mi26092+14815183+7415183+7425428(Top 90%)14833(Top 92%)14833(Top 263%)
30K18.64 mi3.11 mi25942+15015081+10215081+10225434(Top 90%)14734(Top 91%)14734(Top 261%)
20M20.00 mi1.36 mi26178-23615179-9815179-9827679(Top 97%)15705(Top 98%)15705(Top 278%)
21M21.00 mi1.00 mi26316-13815221-4215221-4227538(Top 97%)15635(Top 97%)15635(Top 277%)
35K21.75 mi0.75 mi26314+215208+1315208+1326168(Top 92%)14924(Top 93%)14924(Top 265%)
23M23.00 mi1.25 mi26256+5815177+3115177+3125169(Top 89%)14420(Top 90%)14420(Top 256%)
24M24.00 mi1.00 mi26218+3815146+3115146+3125410(Top 89%)14513(Top 90%)14513(Top 257%)
40K24.85 mi0.85 mi26224-615145+115145+126022(Top 92%)14802(Top 92%)14802(Top 262%)
25.2M25.20 mi0.35 mi26178+4615120+2515120+2518792(Top 66%)11236(Top 70%)11236(Top 199%)
Finish26.22 mi1.02 mi26033+14515058+6215058+6216148(Top 57%)10014(Top 62%)10014(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25989

Males

15141

M18-39

15141

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26586

Males

15406

M18-39

15406

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25989

Males

15141

M18-39

15141

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26012

Males

15128

M18-39

15128

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24166

Males

14315

M18-39

14315

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25428

Males

14833

M18-39

14833

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25434

Males

14734

M18-39

14734

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27679

Males

15705

M18-39

15705

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27538

Males

15635

M18-39

15635

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26168

Males

14924

M18-39

14924

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25169

Males

14420

M18-39

14420

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25410

Males

14513

M18-39

14513

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26022

Males

14802

M18-39

14802

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18792

Males

11236

M18-39

11236

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16148

Males

10014

M18-39

10014

Passing Analysis

Category:
Athletes Passed
1598
Passed By
679
Net Change
+919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26952
5K → 10K27376+197#26952#26755
10K → 15K30113+288#26755#26467
15K → 20K19959+140#26467#26327
20K → Half892+87#26327#26240
Half → 25K16921+148#26240#26092
25K → 30K19141+150#26092#25942
30K → 20M12248-236#25942#26178
20M → 21M8146-138#26178#26316
21M → 35K2624+2#26316#26314
35K → 23M646+58#26314#26256
23M → 24M5012+38#26256#26218
24M → 40K2531-6#26218#26224
40K → 25.2M460+46#26224#26178
25.2M → Finish1450+145#26178#26033
TOTALS1598679+919
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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