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BOSTON MARATHON 2025

Alan Eder

Bib: 1221•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Masters (Masters Men)
#0 / 10463
Top 1%
Division (M40-44)
#0 / 2247
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:00/mi
18:37
↑ 97↓ 3451.5%
10K· 6.21 mi
5:53/mi
36:54
↑ 79↓ 1380.4%
15K· 9.32 mi
5:53/mi
55:11
↑ 67↓ 78
20K· 12.43 mi
6:00/mi
1:13:51
↑ 106↓ 860.1%
Half· 13.11 mi
5:55/mi
1:17:53
↑ 19↓ 370.5%
25K· 15.53 mi
6:00/mi
1:32:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:10/mi
1:51:37
↑ 181↓ 1480.2%
20M
6:17/mi
2:00:09
↑ 64↓ 500.2%
21M
6:38/mi
2:06:47
↑ 106↓ 241.6%
35K· 21.75 mi
6:05/mi
2:11:20
↑ 17↓ 861.7%
23M
6:26/mi
2:19:23
↑ 23↓ 630.6%
24M
6:26/mi
2:25:49
↓ 821.3%
40K· 24.85 mi
6:55/mi
2:31:44
↓ 200.3%
25.2M
7:24/mi
2:34:17
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:40:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:53
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:23:06
Pace6:20 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1218:376:0018:37
6:00
-
10K
6.21 mi10:37:2936:545:5618:17
5:53
-0:07
15K
9.32 mi10:55:4655:115:5518:17
5:53
0:00
20K
12.43 mi11:14:261:13:515:5718:40
6:00
+0:07
Half
13.11 mi11:18:281:17:535:564:02
5:55
-0:05
25K
15.53 mi11:33:011:32:265:5714:33
6:00
+0:05
30K
18.64 mi11:52:121:51:375:5919:11
6:10
+0:10
20M
20.00 mi12:00:442:00:096:008:32
6:17
+0:07
21M
21.00 mi12:07:222:06:476:026:38
6:38
+0:21
35K
21.75 mi12:11:552:11:206:024:33
6:05
-0:33
23M
23.00 mi12:19:582:19:236:048:03
6:26
+0:21
24M
24.00 mi12:26:242:25:496:056:26
6:26
0:00
40K
24.85 mi12:32:192:31:446:065:55
6:55
+0:29
25.2M
25.20 mi12:34:522:34:176:072:33
7:24
+0:29
Finish
26.22 mi12:41:342:40:596:096:42
6:34
-0:50

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

5:53 /mi

Average Pace

6:09 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:36

25% of race

Time at Steady Pace

1:24:06

52% of race

Time at Slower Pace

36:17

23% of race

Average Pace: 6:08 /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 mi10:19:1218:376:0018:37
6:00
#1057
10K
6.21 mi10:37:2936:545:5618:17
5:53
#913
15K
9.32 mi10:55:4655:115:5518:17
5:53
#842
20K
12.43 mi11:14:261:13:515:5718:40
6:00
#840
Half
13.11 mi11:18:281:17:535:564:02
5:55
#840
25K
15.53 mi11:33:011:32:265:5714:33
6:00
#825
30K
18.64 mi11:52:121:51:375:5919:11
6:10
#795
20M
20.00 mi12:00:442:00:096:008:32
6:17
#789
21M
21.00 mi12:07:222:06:476:026:38
6:38
#778
35K
21.75 mi12:11:552:11:206:024:33
6:05
#763
23M
23.00 mi12:19:582:19:236:048:03
6:26
#778
24M
24.00 mi12:26:242:25:496:056:26
6:26
#794
40K
24.85 mi12:32:192:31:446:065:55
6:55
#833
25.2M
25.20 mi12:34:522:34:176:072:33
7:24
#859
Finish
26.22 mi12:41:342:40:596:096:42
6:34
#903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1057998998725(Top 3%)677(Top 4%)677(Top 30%)
10K6.21 mi3.10 mi913+144858+140858+140788(Top 3%)738(Top 5%)738(Top 33%)
15K9.32 mi3.11 mi842+71790+68790+68725(Top 3%)677(Top 4%)677(Top 30%)
20K12.43 mi3.11 mi840+2789+1789+1880(Top 3%)829(Top 5%)829(Top 37%)
Half13.11 mi0.68 mi840789789872(Top 3%)824(Top 5%)824(Top 37%)
25K15.53 mi2.42 mi825+15773+16773+16812(Top 3%)762(Top 5%)762(Top 34%)
30K18.64 mi3.11 mi795+30746+27746+27849(Top 3%)795(Top 5%)795(Top 35%)
20M20.00 mi1.36 mi789+6739+7739+7900(Top 3%)848(Top 5%)848(Top 38%)
21M21.00 mi1.00 mi778+11728+11728+11999(Top 4%)944(Top 6%)944(Top 42%)
35K21.75 mi0.75 mi763+15713+15713+15908(Top 3%)853(Top 5%)853(Top 38%)
23M23.00 mi1.25 mi778-15729-16729-161224(Top 4%)1153(Top 7%)1153(Top 51%)
24M24.00 mi1.00 mi794-16743-14743-141764(Top 6%)1640(Top 10%)1640(Top 73%)
40K24.85 mi0.85 mi833-39779-36779-363407(Top 12%)3026(Top 19%)3026(Top 135%)
25.2M25.20 mi0.35 mi859-26804-25804-252841(Top 10%)2520(Top 16%)2520(Top 112%)
Finish26.22 mi1.02 mi903-44846-42846-423157(Top 11%)2789(Top 17%)2789(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

725

Males

677

M40-44

677

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

788

Males

738

M40-44

738

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

725

Males

677

M40-44

677

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

880

Males

829

M40-44

829

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

872

Males

824

M40-44

824

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

812

Males

762

M40-44

762

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

849

Males

795

M40-44

795

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

900

Males

848

M40-44

848

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

999

Males

944

M40-44

944

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

908

Males

853

M40-44

853

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1224

Males

1153

M40-44

1153

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1764

Males

1640

M40-44

1640

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3407

Males

3026

M40-44

3026

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2841

Males

2520

M40-44

2520

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3157

Males

2789

M40-44

2789

Passing Analysis

Category:
Athletes Passed
442
Passed By
288
Net Change
+154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1057
5K → 10K1484+144#1057#913
10K → 15K754+71#913#842
15K → 20K3028+2#842#840
20K → Half770#840#840
Half → 25K3015+15#840#825
25K → 30K4818+30#825#795
30K → 20M2317+6#795#789
20M → 21M187+11#789#778
21M → 35K194+15#778#763
35K → 23M1631-15#763#778
23M → 24M1329-16#778#794
24M → 40K443-39#794#833
40K → 25.2M329-26#833#859
25.2M → Finish852-44#859#903
TOTALS442288+154
📊

Passing Visuals

Category:
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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