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BOSTON MARATHON 2025

Conrad Middendorf

Bib: 15010•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
Division (M50-54)
#0 / 1996
Top 50%
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
7:55/mi
24:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:40
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:42:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
2:01:03
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:25:45
↑ 181↓ 1480.2%
20M
7:59/mi
2:36:36
↑ 64↓ 500.2%
21M
8:27/mi
2:45:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:50:54
↑ 17↓ 861.7%
23M
8:02/mi
3:00:58
↑ 23↓ 630.6%
24M
7:59/mi
3:08:57
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:15:50
↓ 200.3%
25.2M
8:45/mi
3:18:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:26:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:44:37
Pace7:59 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0124:357:5524:35
7:55
-
10K
6.21 mi11:20:5848:327:4923:57
7:43
-0:12
15K
9.32 mi11:45:061:12:407:4824:08
7:46
+0:03
20K
12.43 mi12:09:361:37:107:4924:30
7:53
+0:07
Half
13.11 mi12:14:481:42:227:495:12
7:37
-0:16
25K
15.53 mi12:33:292:01:037:4818:41
7:42
+0:05
30K
18.64 mi12:58:112:25:457:4924:42
7:57
+0:15
20M
20.00 mi13:09:022:36:367:5010:51
7:59
+0:02
21M
21.00 mi13:17:292:45:037:528:27
8:27
+0:28
35K
21.75 mi13:23:202:50:547:515:51
7:49
-0:38
23M
23.00 mi13:33:243:00:587:5210:04
8:02
+0:13
24M
24.00 mi13:41:233:08:577:527:59
7:59
-0:03
40K
24.85 mi13:48:163:15:507:536:53
8:03
+0:04
25.2M
25.20 mi13:51:173:18:517:533:01
8:45
+0:42
Finish
26.22 mi13:59:253:26:597:548:08
7:59
-0:46

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

7:37 /mi

Average Pace

7:54 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:31

94% of race

Time at Steady Pace

11:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi10:57:0124:357:5524:35
7:55
#15803
10K
6.21 mi11:20:5848:327:4923:57
7:43
#14873
15K
9.32 mi11:45:061:12:407:4824:08
7:46
#14587
20K
12.43 mi12:09:361:37:107:4924:30
7:53
#14403
Half
13.11 mi12:14:481:42:227:495:12
7:37
#14303
25K
15.53 mi12:33:292:01:037:4818:41
7:42
#13828
30K
18.64 mi12:58:112:25:457:4924:42
7:57
#13248
20M
20.00 mi13:09:022:36:367:5010:51
7:59
#12980
21M
21.00 mi13:17:292:45:037:528:27
8:27
#12776
35K
21.75 mi13:23:202:50:547:515:51
7:49
#12690
23M
23.00 mi13:33:243:00:587:5210:04
8:02
#12508
24M
24.00 mi13:41:233:08:577:527:59
7:59
#12425
40K
24.85 mi13:48:163:15:507:536:53
8:03
#12326
25.2M
25.20 mi13:51:173:18:517:533:01
8:45
#12282
Finish
26.22 mi13:59:253:26:597:548:08
7:59
#12272
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15803107281072814074(Top 50%)9968(Top 62%)9968(Top 499%)
10K6.21 mi3.10 mi14873+93010353+37510353+37513956(Top 49%)9977(Top 62%)9977(Top 500%)
15K9.32 mi3.11 mi14587+28610239+11410239+11414074(Top 50%)9968(Top 62%)9968(Top 499%)
20K12.43 mi3.11 mi14403+18410123+11610123+11613958(Top 49%)9844(Top 61%)9844(Top 493%)
Half13.11 mi0.68 mi14303+10010079+4410079+4412696(Top 45%)9319(Top 58%)9319(Top 467%)
25K15.53 mi2.42 mi13828+4759840+2399840+23911581(Top 41%)8660(Top 54%)8660(Top 434%)
30K18.64 mi3.11 mi13248+5809519+3219519+32111027(Top 39%)8202(Top 51%)8202(Top 411%)
20M20.00 mi1.36 mi12980+2689382+1379382+13710344(Top 36%)7717(Top 48%)7717(Top 387%)
21M21.00 mi1.00 mi12776+2049255+1279255+12710156(Top 36%)7453(Top 46%)7453(Top 373%)
35K21.75 mi0.75 mi12690+869190+659190+6510964(Top 39%)7847(Top 49%)7847(Top 393%)
23M23.00 mi1.25 mi12508+1829069+1219069+12110319(Top 36%)7403(Top 46%)7403(Top 371%)
24M24.00 mi1.00 mi12425+839008+619008+6111105(Top 39%)7729(Top 48%)7729(Top 387%)
40K24.85 mi0.85 mi12326+998924+848924+8410540(Top 37%)7325(Top 45%)7325(Top 367%)
25.2M25.20 mi0.35 mi12282+448891+338891+3310280(Top 36%)7104(Top 44%)7104(Top 356%)
Finish26.22 mi1.02 mi12272+108849+428849+4212738(Top 45%)8401(Top 52%)8401(Top 421%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14074

Males

9968

M50-54

9968

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13956

Males

9977

M50-54

9977

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14074

Males

9968

M50-54

9968

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13958

Males

9844

M50-54

9844

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12696

Males

9319

M50-54

9319

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11581

Males

8660

M50-54

8660

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11027

Males

8202

M50-54

8202

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10344

Males

7717

M50-54

7717

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10156

Males

7453

M50-54

7453

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10964

Males

7847

M50-54

7847

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10319

Males

7403

M50-54

7403

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11105

Males

7729

M50-54

7729

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10540

Males

7325

M50-54

7325

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10280

Males

7104

M50-54

7104

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12738

Males

8401

M50-54

8401

Passing Analysis

Category:
Athletes Passed
4017
Passed By
486
Net Change
+3531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15803
5K → 10K98858+930#15803#14873
10K → 15K36680+286#14873#14587
15K → 20K293109+184#14587#14403
20K → Half1033+100#14403#14303
Half → 25K4849+475#14303#13828
25K → 30K60121+580#13828#13248
30K → 20M2713+268#13248#12980
20M → 21M21713+204#12980#12776
21M → 35K11024+86#12776#12690
35K → 23M20927+182#12690#12508
23M → 24M11633+83#12508#12425
24M → 40K12627+99#12425#12326
40K → 25.2M528+44#12326#12282
25.2M → Finish8171+10#12282#12272
TOTALS4017486+3531
📊

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