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BOSTON MARATHON 2025

Chad Lemrick

Bib: 10615•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 43%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:09:30
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:32:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:37:33
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:55:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:19:00
↑ 181↓ 1480.2%
20M
7:27/mi
2:29:08
↑ 64↓ 500.2%
21M
7:54/mi
2:37:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:42:29
↑ 17↓ 861.7%
23M
7:18/mi
2:51:37
↑ 23↓ 630.6%
24M
7:04/mi
2:58:41
↓ 821.3%
40K· 24.85 mi
7:06/mi
3:04:45
↓ 200.3%
25.2M
7:47/mi
3:07:26
↑ 13↓ 160.2%
Finish· 26.22 mi
6:38/mi
3:14:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:33
Pace7:26 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:39
Pace7:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1223:467:3923:46
7:39
-
10K
6.21 mi11:13:1446:487:3223:02
7:25
-0:14
15K
9.32 mi11:35:561:09:307:2722:42
7:18
-0:07
20K
12.43 mi11:59:001:32:347:2723:04
7:25
+0:07
Half
13.11 mi12:03:591:37:337:264:59
7:18
-0:07
25K
15.53 mi12:22:061:55:407:2718:07
7:28
+0:10
30K
18.64 mi12:45:262:19:007:2723:20
7:31
+0:03
20M
20.00 mi12:55:342:29:087:2710:08
7:27
-0:04
21M
21.00 mi13:03:282:37:027:297:54
7:54
+0:27
35K
21.75 mi13:08:552:42:297:285:27
7:17
-0:37
23M
23.00 mi13:18:032:51:377:289:08
7:18
+0:01
24M
24.00 mi13:25:072:58:417:277:04
7:04
-0:14
40K
24.85 mi13:31:113:04:457:266:04
7:06
+0:02
25.2M
25.20 mi13:33:523:07:267:262:41
7:47
+0:41
Finish
26.22 mi13:40:383:14:127:256:46
6:38
-1:09

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

6:38 /mi

Average Pace

7:25 /mi

Slowest Pace

7:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:21

13% of race

Time at Steady Pace

2:40:57

83% of race

Time at Slower Pace

7:54

4% of race

Average Pace: 7:24 /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 mi10:50:1223:467:3923:46
7:39
#13502
10K
6.21 mi11:13:1446:487:3223:02
7:25
#12403
15K
9.32 mi11:35:561:09:307:2722:42
7:18
#11577
20K
12.43 mi11:59:001:32:347:2723:04
7:25
#11208
Half
13.11 mi12:03:591:37:337:264:59
7:18
#11142
25K
15.53 mi12:22:061:55:407:2718:07
7:28
#10850
30K
18.64 mi12:45:262:19:007:2723:20
7:31
#10209
20M
20.00 mi12:55:342:29:087:2710:08
7:27
#9844
21M
21.00 mi13:03:282:37:027:297:54
7:54
#9614
35K
21.75 mi13:08:552:42:297:285:27
7:17
#9497
23M
23.00 mi13:18:032:51:377:289:08
7:18
#9155
24M
24.00 mi13:25:072:58:417:277:04
7:04
#8911
40K
24.85 mi13:31:113:04:457:266:04
7:06
#8657
25.2M
25.20 mi13:33:523:07:267:262:41
7:47
#8548
Finish
26.22 mi13:40:383:14:127:256:46
6:38
#8288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi135029855985510028(Top 35%)8096(Top 50%)8096(Top 339%)
10K6.21 mi3.10 mi12403+10999350+5059350+50511290(Top 40%)8792(Top 55%)8792(Top 368%)
15K9.32 mi3.11 mi11577+8268931+4198931+41910028(Top 35%)8096(Top 50%)8096(Top 339%)
20K12.43 mi3.11 mi11208+3698723+2088723+20810086(Top 36%)8055(Top 50%)8055(Top 338%)
Half13.11 mi0.68 mi11142+668686+378686+379947(Top 35%)7969(Top 49%)7969(Top 334%)
25K15.53 mi2.42 mi10850+2928511+1758511+1759708(Top 34%)7702(Top 48%)7702(Top 323%)
30K18.64 mi3.11 mi10209+6418118+3938118+3937810(Top 27%)6477(Top 40%)6477(Top 271%)
20M20.00 mi1.36 mi9844+3657902+2167902+2166740(Top 24%)5681(Top 35%)5681(Top 238%)
21M21.00 mi1.00 mi9614+2307744+1587744+1586785(Top 24%)5556(Top 34%)5556(Top 233%)
35K21.75 mi0.75 mi9497+1177660+847660+847134(Top 25%)5786(Top 36%)5786(Top 242%)
23M23.00 mi1.25 mi9155+3427424+2367424+2365449(Top 19%)4638(Top 29%)4638(Top 194%)
24M24.00 mi1.00 mi8911+2447249+1757249+1755043(Top 18%)4300(Top 27%)4300(Top 180%)
40K24.85 mi0.85 mi8657+2547061+1887061+1884463(Top 16%)3831(Top 24%)3831(Top 161%)
25.2M25.20 mi0.35 mi8548+1096983+786983+784808(Top 17%)4006(Top 25%)4006(Top 168%)
Finish26.22 mi1.02 mi8288+2606800+1836800+1833583(Top 13%)3130(Top 19%)3130(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

10028

Males

8096

M45-49

8096

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11290

Males

8792

M45-49

8792

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

10028

Males

8096

M45-49

8096

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10086

Males

8055

M45-49

8055

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9947

Males

7969

M45-49

7969

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9708

Males

7702

M45-49

7702

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7810

Males

6477

M45-49

6477

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6740

Males

5681

M45-49

5681

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6785

Males

5556

M45-49

5556

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7134

Males

5786

M45-49

5786

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5449

Males

4638

M45-49

4638

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5043

Males

4300

M45-49

4300

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4463

Males

3831

M45-49

3831

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4808

Males

4006

M45-49

4006

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3583

Males

3130

M45-49

3130

Passing Analysis

Category:
Athletes Passed
5358*
Passed By
144
Net Change
+5214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13502
5K → 10K112627+1099#13502#12403
10K → 15K8337+826#12403#11577
15K → 20K40637+369#11577#11208
20K → Half759+66#11208#11142
Half → 25K32634+292#11142#10850
25K → 30K6454+641#10850#10209
30K → 20M368*3+365#10209#9844
20M → 21M2366+230#9844#9614
21M → 35K1236+117#9614#9497
35K → 23M3464+342#9497#9155
23M → 24M2440+244#9155#8911
24M → 40K2573+254#8911#8657
40K → 25.2M1123+109#8657#8548
25.2M → Finish2611+260#8548#8288
TOTALS5358*144+5214

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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