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BOSTON MARATHON 2025

Erick Carlson

Bib: 5649•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
26:48
Rank: #20597
Start → 5K
26:48 | 8:38/mi
10K· 6.21 mi
53:52
Rank: #20735 (-138)
5K → 10K
27:04 | 8:43/mi
15K· 9.32 mi
1:20:51
Rank: #20602 (+133)
10K → 15K
26:59 | 8:41/mi
20K· 12.43 mi
1:47:37
Rank: #20185 (+417)
15K → 20K
26:46 | 8:37/mi
Half· 13.11 mi
1:53:23
Rank: #20110 (+75)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:14:23
Rank: #19781 (+329)
Half → 25K
21:00 | 8:40/mi
30K· 18.64 mi
2:42:01
Rank: #19286 (+495)
25K → 30K
27:38 | 8:54/mi
20M
2:54:09
Rank: #19059 (+227)
30K → 20M
12:08 | 8:56/mi
21M
3:03:43
Rank: #18896 (+163)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:10:02
Rank: #18752 (+144)
21M → 35K
6:19 | 8:27/mi
23M
3:20:58
Rank: #18507 (+245)
35K → 23M
10:56 | 8:44/mi
24M
3:29:38
Rank: #18356 (+151)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:37:17
Rank: #18264 (+92)
24M → 40K
7:39 | 8:57/mi
25.2M
3:40:37
Rank: #18227 (+37)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:49:30
Rank: #18209 (+18)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:56:07
Pace8:51 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:5326:488:3826:48
8:38
-
10K
6.21 mi11:55:5753:528:4027:04
8:43
+0:05
15K
9.32 mi12:22:561:20:518:4026:59
8:41
-0:02
20K
12.43 mi12:49:421:47:378:4026:46
8:37
-0:04
Half
13.11 mi12:55:281:53:238:395:46
8:27
-0:10
25K
15.53 mi13:16:282:14:238:3921:00
8:40
+0:13
30K
18.64 mi13:44:062:42:018:4127:38
8:54
+0:14
20M
20.00 mi13:56:142:54:098:4212:08
8:56
+0:02
21M
21.00 mi14:05:483:03:438:459:34
9:34
+0:38
35K
21.75 mi14:12:073:10:028:446:19
8:27
-1:07
23M
23.00 mi14:23:033:20:588:4410:56
8:44
+0:17
24M
24.00 mi14:31:433:29:388:448:40
8:40
-0:04
40K
24.85 mi14:39:223:37:178:457:39
8:57
+0:17
25.2M
25.20 mi14:42:423:40:378:453:20
9:40
+0:43
Finish
26.22 mi14:51:353:49:308:468:53
8:43
-0:57

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

8:27 /mi

Average Pace

8:46 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:36

94% of race

Time at Steady Pace

12:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:28:5326:488:3826:48
8:38
#20597
10K
6.21 mi11:55:5753:528:4027:04
8:43
#20735
15K
9.32 mi12:22:561:20:518:4026:59
8:41
#20602
20K
12.43 mi12:49:421:47:378:4026:46
8:37
#20185
Half
13.11 mi12:55:281:53:238:395:46
8:27
#20110
25K
15.53 mi13:16:282:14:238:3921:00
8:40
#19781
30K
18.64 mi13:44:062:42:018:4127:38
8:54
#19286
20M
20.00 mi13:56:142:54:098:4212:08
8:56
#19059
21M
21.00 mi14:05:483:03:438:459:34
9:34
#18896
35K
21.75 mi14:12:073:10:028:446:19
8:27
#18752
23M
23.00 mi14:23:033:20:588:4410:56
8:44
#18507
24M
24.00 mi14:31:433:29:388:448:40
8:40
#18356
40K
24.85 mi14:39:223:37:178:457:39
8:57
#18264
25.2M
25.20 mi14:42:423:40:378:453:20
9:40
#18227
Finish
26.22 mi14:51:353:49:308:468:53
8:43
#18209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20597126801268020390(Top 72%)12683(Top 79%)12683(Top 564%)
10K6.21 mi3.10 mi20735-13812771-9112771-9120925(Top 74%)12880(Top 80%)12880(Top 573%)
15K9.32 mi3.11 mi20602+13312732+3912732+3920390(Top 72%)12683(Top 79%)12683(Top 564%)
20K12.43 mi3.11 mi20185+41712546+18612546+18618930(Top 67%)12001(Top 75%)12001(Top 534%)
Half13.11 mi0.68 mi20110+7512516+3012516+3018848(Top 66%)11973(Top 74%)11973(Top 533%)
25K15.53 mi2.42 mi19781+32912366+15012366+15018147(Top 64%)11592(Top 72%)11592(Top 516%)
30K18.64 mi3.11 mi19286+49512112+25412112+25417113(Top 60%)10984(Top 68%)10984(Top 489%)
20M20.00 mi1.36 mi19059+22711990+12211990+12216408(Top 58%)10543(Top 65%)10543(Top 469%)
21M21.00 mi1.00 mi18896+16311895+9511895+9516369(Top 58%)10419(Top 65%)10419(Top 464%)
35K21.75 mi0.75 mi18752+14411817+7811817+7815130(Top 53%)9795(Top 61%)9795(Top 436%)
23M23.00 mi1.25 mi18507+24511685+13211685+13214732(Top 52%)9510(Top 59%)9510(Top 423%)
24M24.00 mi1.00 mi18356+15111592+9311592+9315539(Top 55%)9842(Top 61%)9842(Top 438%)
40K24.85 mi0.85 mi18264+9211521+7111521+7115999(Top 56%)9925(Top 62%)9925(Top 442%)
25.2M25.20 mi0.35 mi18227+3711494+2711494+2715414(Top 54%)9609(Top 60%)9609(Top 428%)
Finish26.22 mi1.02 mi18209+1811476+1811476+1817558(Top 62%)10661(Top 66%)10661(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20390

Males

12683

M40-44

12683

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

20925

Males

12880

M40-44

12880

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20390

Males

12683

M40-44

12683

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

18930

Males

12001

M40-44

12001

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18848

Males

11973

M40-44

11973

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18147

Males

11592

M40-44

11592

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17113

Males

10984

M40-44

10984

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16408

Males

10543

M40-44

10543

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16369

Males

10419

M40-44

10419

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15130

Males

9795

M40-44

9795

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14732

Males

9510

M40-44

9510

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15539

Males

9842

M40-44

9842

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15999

Males

9925

M40-44

9925

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15414

Males

9609

M40-44

9609

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17558

Males

10661

M40-44

10661

Passing Analysis

Category:
Athletes Passed
3107
Passed By
719
Net Change
+2388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20597
5K → 10K220358-138#20597#20735
10K → 15K262129+133#20735#20602
15K → 20K44427+417#20602#20185
20K → Half827+75#20185#20110
Half → 25K34617+329#20110#19781
25K → 30K52328+495#19781#19286
30K → 20M23811+227#19286#19059
20M → 21M19027+163#19059#18896
21M → 35K1484+144#18896#18752
35K → 23M2538+245#18752#18507
23M → 24M16312+151#18507#18356
24M → 40K11624+92#18356#18264
40K → 25.2M4912+37#18264#18227
25.2M → Finish7355+18#18227#18209
TOTALS3107719+2388
📊

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