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BOSTON MARATHON 2025

Blake Erickson

Bib: 1633•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:09
Rank: #699
Start → 5K
18:09 | 5:51/mi
10K· 6.21 mi
35:56
Rank: #574 (+125)
5K → 10K
17:47 | 5:43/mi
15K· 9.32 mi
54:00
Rank: #560 (+14)
10K → 15K
18:04 | 5:49/mi
20K· 12.43 mi
1:12:30
Rank: #585 (-25)
15K → 20K
18:30 | 5:57/mi
Half· 13.11 mi
1:16:33
Rank: #595 (-10)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:31:39
Rank: #695 (-100)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
1:52:30
Rank: #916 (-221)
25K → 30K
20:51 | 6:43/mi
20M
2:01:55
Rank: #1032 (-116)
30K → 20M
9:25 | 6:56/mi
21M
2:09:17
Rank: #1122 (-90)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:14:35
Rank: #1223 (-101)
21M → 35K
5:18 | 7:05/mi
23M
2:23:31
Rank: #1317 (-94)
35K → 23M
8:56 | 7:08/mi
24M
2:30:10
Rank: #1341 (-24)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:36:13
Rank: #1408 (-67)
24M → 40K
6:03 | 7:05/mi
25.2M
2:38:55
Rank: #1438 (-30)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:45:57
Rank: #1524 (-86)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:33
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:29:24
Pace6:49 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3318:095:5118:09
5:51
-
10K
6.21 mi10:36:2035:565:4717:47
5:43
-0:08
15K
9.32 mi10:54:2454:005:4818:04
5:49
+0:06
20K
12.43 mi11:12:541:12:305:5018:30
5:57
+0:08
Half
13.11 mi11:16:571:16:335:504:03
5:56
-0:01
25K
15.53 mi11:32:031:31:395:5415:06
6:14
+0:18
30K
18.64 mi11:52:541:52:306:0220:51
6:43
+0:29
20M
20.00 mi12:02:192:01:556:069:25
6:56
+0:13
21M
21.00 mi12:09:412:09:176:097:22
7:22
+0:26
35K
21.75 mi12:14:592:14:356:115:18
7:05
-0:17
23M
23.00 mi12:23:552:23:316:148:56
7:08
+0:03
24M
24.00 mi12:30:342:30:106:156:39
6:39
-0:29
40K
24.85 mi12:36:372:36:136:176:03
7:05
+0:26
25.2M
25.20 mi12:39:192:38:556:182:42
7:50
+0:45
Finish
26.22 mi12:46:212:45:576:207:02
6:54
-0:56

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

5:43 /mi

Average Pace

6:20 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:39

55% of race

Time at Steady Pace

43:57

26% of race

Time at Slower Pace

30:21

18% of race

Average Pace: 6:20 /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 mi10:18:3318:095:5118:09
5:51
#699
10K
6.21 mi10:36:2035:565:4717:47
5:43
#574
15K
9.32 mi10:54:2454:005:4818:04
5:49
#560
20K
12.43 mi11:12:541:12:305:5018:30
5:57
#585
Half
13.11 mi11:16:571:16:335:504:03
5:56
#595
25K
15.53 mi11:32:031:31:395:5415:06
6:14
#695
30K
18.64 mi11:52:541:52:306:0220:51
6:43
#916
20M
20.00 mi12:02:192:01:556:069:25
6:56
#1032
21M
21.00 mi12:09:412:09:176:097:22
7:22
#1122
35K
21.75 mi12:14:592:14:356:115:18
7:05
#1223
23M
23.00 mi12:23:552:23:316:148:56
7:08
#1317
24M
24.00 mi12:30:342:30:106:156:39
6:39
#1341
40K
24.85 mi12:36:372:36:136:176:03
7:05
#1408
25.2M
25.20 mi12:39:192:38:556:182:42
7:50
#1438
Finish
26.22 mi12:46:212:45:576:207:02
6:54
#1524
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi699649649553(Top 2%)516(Top 3%)516(Top 23%)
10K6.21 mi3.10 mi574+125536+113536+113495(Top 2%)458(Top 3%)458(Top 20%)
15K9.32 mi3.11 mi560+14521+15521+15553(Top 2%)516(Top 3%)516(Top 23%)
20K12.43 mi3.11 mi585-25541-20541-20760(Top 3%)712(Top 4%)712(Top 32%)
Half13.11 mi0.68 mi595-10551-10551-10962(Top 3%)912(Top 6%)912(Top 41%)
25K15.53 mi2.42 mi695-100647-96647-961568(Top 6%)1489(Top 9%)1489(Top 66%)
30K18.64 mi3.11 mi916-221862-215862-2152926(Top 10%)2754(Top 17%)2754(Top 123%)
20M20.00 mi1.36 mi1032-116971-109971-1093649(Top 13%)3355(Top 21%)3355(Top 149%)
21M21.00 mi1.00 mi1122-901057-861057-863910(Top 14%)3545(Top 22%)3545(Top 158%)
35K21.75 mi0.75 mi1223-1011152-951152-955846(Top 21%)4945(Top 31%)4945(Top 220%)
23M23.00 mi1.25 mi1317-941241-891241-894491(Top 16%)3942(Top 24%)3942(Top 175%)
24M24.00 mi1.00 mi1341-241263-221263-222690(Top 9%)2464(Top 15%)2464(Top 110%)
40K24.85 mi0.85 mi1408-671329-661329-664279(Top 15%)3677(Top 23%)3677(Top 164%)
25.2M25.20 mi0.35 mi1438-301358-291358-294914(Top 17%)4031(Top 25%)4031(Top 179%)
Finish26.22 mi1.02 mi1524-861441-831441-835043(Top 18%)4131(Top 26%)4131(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

553

Males

516

M40-44

516

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

495

Males

458

M40-44

458

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

553

Males

516

M40-44

516

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

760

Males

712

M40-44

712

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

962

Males

912

M40-44

912

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1568

Males

1489

M40-44

1489

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2926

Males

2754

M40-44

2754

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3649

Males

3355

M40-44

3355

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3910

Males

3545

M40-44

3545

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5846

Males

4945

M40-44

4945

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4491

Males

3942

M40-44

3942

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2690

Males

2464

M40-44

2464

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4279

Males

3677

M40-44

3677

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4914

Males

4031

M40-44

4031

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5043

Males

4131

M40-44

4131

Passing Analysis

Category:
Athletes Passed
241
Passed By
1066
Net Change
-825
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#699
5K → 10K1283+125#699#574
10K → 15K239+14#574#560
15K → 20K1338-25#560#585
20K → Half010-10#585#595
Half → 25K8108-100#595#695
25K → 30K5226-221#695#916
30K → 20M9125-116#916#1032
20M → 21M797-90#1032#1122
21M → 35K2103-101#1122#1223
35K → 23M18112-94#1223#1317
23M → 24M1943-24#1317#1341
24M → 40K168-67#1341#1408
40K → 25.2M131-30#1408#1438
25.2M → Finish793-86#1438#1524
TOTALS2411066-825
📊

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