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BOSTON MARATHON 2025

Kyle Simmons

Bib: 4732•M

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 32%
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
6:24/mi
19:53
↑ 97↓ 3451.5%
10K· 6.21 mi
6:30/mi
40:06
↑ 79↓ 1380.4%
15K· 9.32 mi
6:32/mi
1:00:25
↑ 67↓ 78
20K· 12.43 mi
6:29/mi
1:20:33
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:24:53
↑ 19↓ 370.5%
25K· 15.53 mi
6:27/mi
1:40:32
↑ 66↓ 880.2%
30K· 18.64 mi
6:23/mi
2:00:21
↑ 181↓ 1480.2%
20M
6:26/mi
2:09:06
↑ 64↓ 500.2%
21M
6:47/mi
2:15:53
↑ 106↓ 241.6%
35K· 21.75 mi
6:10/mi
2:20:30
↑ 17↓ 861.7%
23M
6:28/mi
2:28:36
↑ 23↓ 630.6%
24M
6:26/mi
2:35:02
↓ 821.3%
40K· 24.85 mi
6:44/mi
2:40:47
↓ 200.3%
25.2M
7:29/mi
2:43:22
↑ 13↓ 160.2%
Finish· 26.22 mi
6:35/mi
2:50:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:53
Pace6:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:12
Pace6:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4919:536:2419:53
6:24
-
10K
6.21 mi10:44:0240:066:2720:13
6:30
+0:06
15K
9.32 mi11:04:211:00:256:2920:19
6:32
+0:02
20K
12.43 mi11:24:291:20:336:2920:08
6:29
-0:03
Half
13.11 mi11:28:491:24:536:284:20
6:21
-0:08
25K
15.53 mi11:44:281:40:326:2815:39
6:27
+0:06
30K
18.64 mi12:04:172:00:216:2719:49
6:23
-0:04
20M
20.00 mi12:13:022:09:066:278:45
6:26
+0:03
21M
21.00 mi12:19:492:15:536:286:47
6:47
+0:21
35K
21.75 mi12:24:262:20:306:284:37
6:10
-0:37
23M
23.00 mi12:32:322:28:366:288:06
6:28
+0:18
24M
24.00 mi12:38:582:35:026:286:26
6:26
-0:02
40K
24.85 mi12:44:432:40:476:285:45
6:44
+0:18
25.2M
25.20 mi12:47:182:43:226:292:35
7:29
+0:45
Finish
26.22 mi12:54:012:50:056:306:43
6:35
-0:54

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

6:10 /mi

Average Pace

6:30 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:37

3% of race

Time at Steady Pace

2:30:21

88% of race

Time at Slower Pace

15:07

9% of race

Average Pace: 6:29 /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 mi10:23:4919:536:2419:53
6:24
#3109
10K
6.21 mi10:44:0240:066:2720:13
6:30
#3425
15K
9.32 mi11:04:211:00:256:2920:19
6:32
#3559
20K
12.43 mi11:24:291:20:336:2920:08
6:29
#3365
Half
13.11 mi11:28:491:24:536:284:20
6:21
#3333
25K
15.53 mi11:44:281:40:326:2815:39
6:27
#3208
30K
18.64 mi12:04:172:00:216:2719:49
6:23
#2752
20M
20.00 mi12:13:022:09:066:278:45
6:26
#2605
21M
21.00 mi12:19:492:15:536:286:47
6:47
#2499
35K
21.75 mi12:24:262:20:306:284:37
6:10
#2409
23M
23.00 mi12:32:322:28:366:288:06
6:28
#2314
24M
24.00 mi12:38:582:35:026:286:26
6:26
#2270
40K
24.85 mi12:44:432:40:476:285:45
6:44
#2254
25.2M
25.20 mi12:47:182:43:226:292:35
7:29
#2260
Finish
26.22 mi12:54:012:50:056:306:43
6:35
#2283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3109295329533794(Top 13%)3579(Top 22%)3579(Top 63%)
10K6.21 mi3.10 mi3425-3163252-2993252-2993761(Top 13%)3546(Top 22%)3546(Top 63%)
15K9.32 mi3.11 mi3559-1343373-1213373-1213794(Top 13%)3579(Top 22%)3579(Top 63%)
20K12.43 mi3.11 mi3365+1943194+1793194+1792994(Top 11%)2848(Top 18%)2848(Top 50%)
Half13.11 mi0.68 mi3333+323168+263168+262752(Top 10%)2628(Top 16%)2628(Top 47%)
25K15.53 mi2.42 mi3208+1253055+1133055+1132628(Top 9%)2501(Top 16%)2501(Top 44%)
30K18.64 mi3.11 mi2752+4562623+4322623+4321472(Top 5%)1393(Top 9%)1393(Top 25%)
20M20.00 mi1.36 mi2605+1472487+1362487+1361389(Top 5%)1314(Top 8%)1314(Top 23%)
21M21.00 mi1.00 mi2499+1062384+1032384+1031479(Top 5%)1395(Top 9%)1395(Top 25%)
35K21.75 mi0.75 mi2409+902298+862298+861152(Top 4%)1087(Top 7%)1087(Top 19%)
23M23.00 mi1.25 mi2314+952206+922206+921364(Top 5%)1283(Top 8%)1283(Top 23%)
24M24.00 mi1.00 mi2270+442160+462160+461792(Top 6%)1668(Top 10%)1668(Top 30%)
40K24.85 mi0.85 mi2254+162142+182142+182461(Top 9%)2243(Top 14%)2243(Top 40%)
25.2M25.20 mi0.35 mi2260-62147-52147-53287(Top 12%)2877(Top 18%)2877(Top 51%)
Finish26.22 mi1.02 mi2283-232166-192166-193262(Top 11%)2870(Top 18%)2870(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3794

Males

3579

M18-39

3579

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3761

Males

3546

M18-39

3546

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3794

Males

3579

M18-39

3579

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2994

Males

2848

M18-39

2848

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2752

Males

2628

M18-39

2628

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2628

Males

2501

M18-39

2501

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1472

Males

1393

M18-39

1393

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1389

Males

1314

M18-39

1314

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1479

Males

1395

M18-39

1395

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1152

Males

1087

M18-39

1087

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1364

Males

1283

M18-39

1283

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1792

Males

1668

M18-39

1668

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2461

Males

2243

M18-39

2243

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3287

Males

2877

M18-39

2877

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3262

Males

2870

M18-39

2870

Passing Analysis

Category:
Athletes Passed
1535
Passed By
709
Net Change
+826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3109
5K → 10K40356-316#3109#3425
10K → 15K56190-134#3425#3559
15K → 20K21218+194#3559#3365
20K → Half408+32#3365#3333
Half → 25K13914+125#3333#3208
25K → 30K4593+456#3208#2752
30K → 20M1492+147#2752#2605
20M → 21M1093+106#2605#2499
21M → 35K900+90#2499#2409
35K → 23M994+95#2409#2314
23M → 24M5915+44#2314#2270
24M → 40K4428+16#2270#2254
40K → 25.2M1420-6#2254#2260
25.2M → Finish2548-23#2260#2283
TOTALS1535709+826
📊

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