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BOSTON MARATHON 2025

Erik Alatalo

Bib: 615•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1.0%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:59
Rank: #196
Start → 5K
16:59 | 5:28/mi
10K· 6.21 mi
34:11
Rank: #205 (-9)
5K → 10K
17:12 | 5:32/mi
15K· 9.32 mi
51:25
Rank: #203 (+2)
10K → 15K
17:14 | 5:33/mi
20K· 12.43 mi
1:09:06
Rank: #222 (-19)
15K → 20K
17:41 | 5:42/mi
Half· 13.11 mi
1:12:57
Rank: #222
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:26:50
Rank: #229 (-7)
Half → 25K
13:53 | 5:44/mi
30K· 18.64 mi
1:45:20
Rank: #241 (-12)
25K → 30K
18:30 | 5:57/mi
20M
1:53:36
Rank: #257 (-16)
30K → 20M
8:16 | 6:05/mi
21M
2:00:11
Rank: #264 (-7)
20M → 21M
6:35 | 6:35/mi
35K· 21.75 mi
2:04:26
Rank: #256 (+8)
21M → 35K
4:15 | 5:41/mi
23M
2:12:06
Rank: #260 (-4)
35K → 23M
7:40 | 6:07/mi
24M
2:18:09
Rank: #262 (-2)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:23:24
Rank: #266 (-4)
24M → 40K
5:15 | 6:08/mi
25.2M
2:25:45
Rank: #267 (-1)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:32:01
Rank: #272 (-5)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:57
Pace5:34 /mi
2nd Half
Distance13.11 mi
Time1:19:04
Pace6:02 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:0616:595:2816:59
5:28
-
10K
6.21 mi10:34:1834:115:3017:12
5:32
+0:04
15K
9.32 mi10:51:3251:255:3117:14
5:33
+0:01
20K
12.43 mi11:09:131:09:065:3417:41
5:42
+0:09
Half
13.11 mi11:13:041:12:575:343:51
5:39
-0:03
25K
15.53 mi11:26:571:26:505:3513:53
5:44
+0:05
30K
18.64 mi11:45:271:45:205:3918:30
5:57
+0:13
20M
20.00 mi11:53:431:53:365:418:16
6:05
+0:08
21M
21.00 mi12:00:182:00:115:436:35
6:35
+0:30
35K
21.75 mi12:04:332:04:265:434:15
5:41
-0:54
23M
23.00 mi12:12:132:12:065:457:40
6:07
+0:26
24M
24.00 mi12:18:162:18:095:456:03
6:03
-0:04
40K
24.85 mi12:23:312:23:245:465:15
6:08
+0:05
25.2M
25.20 mi12:25:522:25:455:472:21
6:49
+0:41
Finish
26.22 mi12:32:082:32:015:486:16
6:09
-0:40

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

5:28 /mi

Average Pace

5:48 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:05

60% of race

Time at Steady Pace

45:44

30% of race

Time at Slower Pace

15:12

10% of race

Average Pace: 5:48 /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 mi10:17:0616:595:2816:59
5:28
#196
10K
6.21 mi10:34:1834:115:3017:12
5:32
#205
15K
9.32 mi10:51:3251:255:3117:14
5:33
#203
20K
12.43 mi11:09:131:09:065:3417:41
5:42
#222
Half
13.11 mi11:13:041:12:575:343:51
5:39
#222
25K
15.53 mi11:26:571:26:505:3513:53
5:44
#229
30K
18.64 mi11:45:271:45:205:3918:30
5:57
#241
20M
20.00 mi11:53:431:53:365:418:16
6:05
#257
21M
21.00 mi12:00:182:00:115:436:35
6:35
#264
35K
21.75 mi12:04:332:04:265:434:15
5:41
#256
23M
23.00 mi12:12:132:12:065:457:40
6:07
#260
24M
24.00 mi12:18:162:18:095:456:03
6:03
#262
40K
24.85 mi12:23:312:23:245:465:15
6:08
#266
25.2M
25.20 mi12:25:522:25:455:472:21
6:49
#267
Finish
26.22 mi12:32:082:32:015:486:16
6:09
#272
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi196170170200(Top 0.7%)174(Top 1%)174(Top 3%)
10K6.21 mi3.10 mi205-9179-9179-9234(Top 0.8%)205(Top 1%)205(Top 4%)
15K9.32 mi3.11 mi203+2177+2177+2200(Top 0.7%)174(Top 1%)174(Top 3%)
20K12.43 mi3.11 mi222-19196-19196-19303(Top 1%)276(Top 2%)276(Top 5%)
Half13.11 mi0.68 mi222196196351(Top 1%)325(Top 2%)325(Top 6%)
25K15.53 mi2.42 mi229-7203-7203-7313(Top 1%)287(Top 2%)287(Top 5%)
30K18.64 mi3.11 mi241-12215-12215-12434(Top 2%)402(Top 2%)402(Top 7%)
20M20.00 mi1.36 mi257-16233-18233-18496(Top 2%)464(Top 3%)464(Top 8%)
21M21.00 mi1.00 mi264-7239-6239-6846(Top 3%)798(Top 5%)798(Top 14%)
35K21.75 mi0.75 mi256+8233+6233+6245(Top 0.9%)225(Top 1%)225(Top 4%)
23M23.00 mi1.25 mi260-4237-4237-4515(Top 2%)485(Top 3%)485(Top 9%)
24M24.00 mi1.00 mi262-2239-2239-2652(Top 2%)610(Top 4%)610(Top 11%)
40K24.85 mi0.85 mi266-4242-3242-3606(Top 2%)566(Top 4%)566(Top 10%)
25.2M25.20 mi0.35 mi267-1243-1243-1952(Top 3%)870(Top 5%)870(Top 15%)
Finish26.22 mi1.02 mi272-5249-6249-61333(Top 5%)1240(Top 8%)1240(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

200

Males

174

M18-39

174

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

234

Males

205

M18-39

205

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

200

Males

174

M18-39

174

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

303

Males

276

M18-39

276

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

351

Males

325

M18-39

325

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

313

Males

287

M18-39

287

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

434

Males

402

M18-39

402

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

496

Males

464

M18-39

464

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

846

Males

798

M18-39

798

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

245

Males

225

M18-39

225

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

515

Males

485

M18-39

485

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

652

Males

610

M18-39

610

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

606

Males

566

M18-39

566

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

952

Males

870

M18-39

870

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1333

Males

1240

M18-39

1240

Passing Analysis

Category:
Athletes Passed
76
Passed By
152
Net Change
-76
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#196
5K → 10K817-9#196#205
10K → 15K1210+2#205#203
15K → 20K625-19#203#222
20K → Half330#222#222
Half → 25K310-7#222#229
25K → 30K820-12#229#241
30K → 20M622-16#241#257
20M → 21M29-7#257#264
21M → 35K91+8#264#256
35K → 23M610-4#256#260
23M → 24M46-2#260#262
24M → 40K48-4#262#266
40K → 25.2M23-1#266#267
25.2M → Finish38-5#267#272
TOTALS76152-76
📊

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