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BOSTON MARATHON 2025

Ethan Aho

Bib: 2907•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:34
Rank: #2437
Start → 5K
19:34 | 6:18/mi
10K· 6.21 mi
38:26
Rank: #1805 (+632)
5K → 10K
18:52 | 6:04/mi
15K· 9.32 mi
57:15
Rank: #1581 (+224)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:16:21
Rank: #1507 (+74)
15K → 20K
19:06 | 6:09/mi
Half· 13.11 mi
1:20:25
Rank: #1481 (+26)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:35:39
Rank: #1502 (-21)
Half → 25K
15:14 | 6:17/mi
30K· 18.64 mi
1:55:55
Rank: #1576 (-74)
25K → 30K
20:16 | 6:31/mi
20M
2:05:05
Rank: #1619 (-43)
30K → 20M
9:10 | 6:45/mi
21M
2:12:05
Rank: #1628 (-9)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:16:56
Rank: #1644 (-16)
21M → 35K
4:51 | 6:29/mi
23M
2:25:36
Rank: #1692 (-48)
35K → 23M
8:40 | 6:55/mi
24M
2:32:29
Rank: #1753 (-61)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:38:26
Rank: #1802 (-49)
24M → 40K
5:57 | 6:58/mi
25.2M
2:41:05
Rank: #1820 (-18)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:47:39
Rank: #1815 (+5)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:25
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:27:14
Pace6:39 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1519:346:1819:34
6:18
-
10K
6.21 mi10:40:0738:266:1118:52
6:04
-0:14
15K
9.32 mi10:58:5657:156:0918:49
6:03
-0:01
20K
12.43 mi11:18:021:16:216:0919:06
6:09
+0:06
Half
13.11 mi11:22:061:20:256:084:04
5:58
-0:11
25K
15.53 mi11:37:201:35:396:0915:14
6:17
+0:19
30K
18.64 mi11:57:361:55:556:1320:16
6:31
+0:14
20M
20.00 mi12:06:462:05:056:159:10
6:45
+0:14
21M
21.00 mi12:13:462:12:056:177:00
7:00
+0:15
35K
21.75 mi12:18:372:16:566:184:51
6:29
-0:31
23M
23.00 mi12:27:172:25:366:208:40
6:55
+0:26
24M
24.00 mi12:34:102:32:296:216:53
6:53
-0:02
40K
24.85 mi12:40:072:38:266:225:57
6:58
+0:05
25.2M
25.20 mi12:42:462:41:056:242:39
7:41
+0:43
Finish
26.22 mi12:49:202:47:396:246:34
6:27
-1:14

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

5:58 /mi

Average Pace

6:24 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:51

36% of race

Time at Steady Pace

1:06:29

40% of race

Time at Slower Pace

40:19

24% of race

Average Pace: 6:24 /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 mi10:21:1519:346:1819:34
6:18
#2437
10K
6.21 mi10:40:0738:266:1118:52
6:04
#1805
15K
9.32 mi10:58:5657:156:0918:49
6:03
#1581
20K
12.43 mi11:18:021:16:216:0919:06
6:09
#1507
Half
13.11 mi11:22:061:20:256:084:04
5:58
#1481
25K
15.53 mi11:37:201:35:396:0915:14
6:17
#1502
30K
18.64 mi11:57:361:55:556:1320:16
6:31
#1576
20M
20.00 mi12:06:462:05:056:159:10
6:45
#1619
21M
21.00 mi12:13:462:12:056:177:00
7:00
#1628
35K
21.75 mi12:18:372:16:566:184:51
6:29
#1644
23M
23.00 mi12:27:172:25:366:208:40
6:55
#1692
24M
24.00 mi12:34:102:32:296:216:53
6:53
#1753
40K
24.85 mi12:40:072:38:266:225:57
6:58
#1802
25.2M
25.20 mi12:42:462:41:056:242:39
7:41
#1820
Finish
26.22 mi12:49:202:47:396:246:34
6:27
#1815
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2437232123211222(Top 4%)1160(Top 7%)1160(Top 21%)
10K6.21 mi3.10 mi1805+6321716+6051716+6051375(Top 5%)1305(Top 8%)1305(Top 23%)
15K9.32 mi3.11 mi1581+2241504+2121504+2121222(Top 4%)1160(Top 7%)1160(Top 21%)
20K12.43 mi3.11 mi1507+741432+721432+721370(Top 5%)1298(Top 8%)1298(Top 23%)
Half13.11 mi0.68 mi1481+261406+261406+261051(Top 4%)998(Top 6%)998(Top 18%)
25K15.53 mi2.42 mi1502-211423-171423-171789(Top 6%)1700(Top 11%)1700(Top 30%)
30K18.64 mi3.11 mi1576-741493-701493-702091(Top 7%)1988(Top 12%)1988(Top 35%)
20M20.00 mi1.36 mi1619-431534-411534-412676(Top 9%)2510(Top 16%)2510(Top 44%)
21M21.00 mi1.00 mi1628-91543-91543-92262(Top 8%)2113(Top 13%)2113(Top 37%)
35K21.75 mi0.75 mi1644-161559-161559-162404(Top 8%)2247(Top 14%)2247(Top 40%)
23M23.00 mi1.25 mi1692-481602-431602-433340(Top 12%)3038(Top 19%)3038(Top 54%)
24M24.00 mi1.00 mi1753-611661-591661-593982(Top 14%)3521(Top 22%)3521(Top 62%)
40K24.85 mi0.85 mi1802-491706-451706-453669(Top 13%)3239(Top 20%)3239(Top 57%)
25.2M25.20 mi0.35 mi1820-181723-171723-174251(Top 15%)3607(Top 22%)3607(Top 64%)
Finish26.22 mi1.02 mi1815+51717+61717+62535(Top 9%)2304(Top 14%)2304(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1222

Males

1160

M18-39

1160

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1375

Males

1305

M18-39

1305

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1222

Males

1160

M18-39

1160

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1370

Males

1298

M18-39

1298

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1051

Males

998

M18-39

998

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1789

Males

1700

M18-39

1700

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2091

Males

1988

M18-39

1988

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2676

Males

2510

M18-39

2510

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2262

Males

2113

M18-39

2113

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2404

Males

2247

M18-39

2247

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3340

Males

3038

M18-39

3038

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3982

Males

3521

M18-39

3521

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3669

Males

3239

M18-39

3239

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4251

Males

3607

M18-39

3607

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2535

Males

2304

M18-39

2304

Passing Analysis

Category:
Athletes Passed
1227
Passed By
605
Net Change
+622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2437
5K → 10K6353+632#2437#1805
10K → 15K2273+224#1805#1581
15K → 20K8915+74#1581#1507
20K → Half260+26#1507#1481
Half → 25K3253-21#1481#1502
25K → 30K41115-74#1502#1576
30K → 20M2265-43#1576#1619
20M → 21M3746-9#1619#1628
21M → 35K1430-16#1628#1644
35K → 23M3280-48#1644#1692
23M → 24M1576-61#1692#1753
24M → 40K1665-49#1753#1802
40K → 25.2M624-18#1802#1820
25.2M → Finish3530+5#1820#1815
TOTALS1227605+622
📊

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