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BOSTON MARATHON 2025

Nate Tobeck

Bib: 4703•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 45%
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
6:38/mi
20:36
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:25
↑ 79↓ 1380.4%
15K· 9.32 mi
6:41/mi
1:02:11
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:23:15
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:27:41
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:43:46
↑ 66↓ 880.2%
30K· 18.64 mi
6:46/mi
2:04:46
↑ 181↓ 1480.2%
20M
7:02/mi
2:14:19
↑ 64↓ 500.2%
21M
7:12/mi
2:21:31
↑ 106↓ 241.6%
35K· 21.75 mi
6:29/mi
2:26:22
↑ 17↓ 861.7%
23M
7:00/mi
2:35:08
↑ 23↓ 630.6%
24M
6:46/mi
2:41:54
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:47:47
↓ 200.3%
25.2M
7:21/mi
2:50:19
↑ 13↓ 160.2%
Finish· 26.22 mi
6:23/mi
2:56:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:41
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3720:366:3820:36
6:38
-
10K
6.21 mi10:45:2641:256:4020:49
6:42
+0:04
15K
9.32 mi11:06:121:02:116:4020:46
6:41
-0:01
20K
12.43 mi11:27:161:23:156:4221:04
6:47
+0:06
Half
13.11 mi11:31:421:27:416:414:26
6:30
-0:17
25K
15.53 mi11:47:471:43:466:4116:05
6:38
+0:08
30K
18.64 mi12:08:472:04:466:4221:00
6:46
+0:08
20M
20.00 mi12:18:202:14:196:439:33
7:02
+0:16
21M
21.00 mi12:25:322:21:316:447:12
7:12
+0:10
35K
21.75 mi12:30:232:26:226:444:51
6:29
-0:43
23M
23.00 mi12:39:092:35:086:458:46
7:00
+0:31
24M
24.00 mi12:45:552:41:546:456:46
6:46
-0:14
40K
24.85 mi12:51:482:47:476:455:53
6:53
+0:07
25.2M
25.20 mi12:54:202:50:196:462:32
7:21
+0:28
Finish
26.22 mi13:00:502:56:496:456:30
6:23
-0:58

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

6:23 /mi

Average Pace

6:45 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:32

89% of race

Time at Steady Pace

19:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:24:3720:366:3820:36
6:38
#4838
10K
6.21 mi10:45:2641:256:4020:49
6:42
#5044
15K
9.32 mi11:06:121:02:116:4020:46
6:41
#4962
20K
12.43 mi11:27:161:23:156:4221:04
6:47
#4975
Half
13.11 mi11:31:421:27:416:414:26
6:30
#4899
25K
15.53 mi11:47:471:43:466:4116:05
6:38
#4624
30K
18.64 mi12:08:472:04:466:4221:00
6:46
#4251
20M
20.00 mi12:18:202:14:196:439:33
7:02
#4226
21M
21.00 mi12:25:322:21:316:447:12
7:12
#4131
35K
21.75 mi12:30:232:26:226:444:51
6:29
#4037
23M
23.00 mi12:39:092:35:086:458:46
7:00
#3983
24M
24.00 mi12:45:552:41:546:456:46
6:46
#3929
40K
24.85 mi12:51:482:47:476:455:53
6:53
#3871
25.2M
25.20 mi12:54:202:50:196:462:32
7:21
#3831
Finish
26.22 mi13:00:502:56:496:456:30
6:23
#3694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4838452845284918(Top 17%)4581(Top 28%)4581(Top 81%)
10K6.21 mi3.10 mi5044-2064700-1724700-1725328(Top 19%)4929(Top 31%)4929(Top 87%)
15K9.32 mi3.11 mi4962+824626+744626+744918(Top 17%)4581(Top 28%)4581(Top 81%)
20K12.43 mi3.11 mi4975-134631-54631-55088(Top 18%)4690(Top 29%)4690(Top 83%)
Half13.11 mi0.68 mi4899+764564+674564+673624(Top 13%)3424(Top 21%)3424(Top 61%)
25K15.53 mi2.42 mi4624+2754311+2534311+2533663(Top 13%)3442(Top 21%)3442(Top 61%)
30K18.64 mi3.11 mi4251+3733979+3323979+3323193(Top 11%)2991(Top 19%)2991(Top 53%)
20M20.00 mi1.36 mi4226+253953+263953+264244(Top 15%)3867(Top 24%)3867(Top 69%)
21M21.00 mi1.00 mi4131+953859+943859+943119(Top 11%)2876(Top 18%)2876(Top 51%)
35K21.75 mi0.75 mi4037+943771+883771+882391(Top 8%)2234(Top 14%)2234(Top 40%)
23M23.00 mi1.25 mi3983+543710+613710+613749(Top 13%)3372(Top 21%)3372(Top 60%)
24M24.00 mi1.00 mi3929+543653+573653+573302(Top 12%)2968(Top 18%)2968(Top 53%)
40K24.85 mi0.85 mi3871+583596+573596+573240(Top 11%)2892(Top 18%)2892(Top 51%)
25.2M25.20 mi0.35 mi3831+403557+393557+392716(Top 10%)2418(Top 15%)2418(Top 43%)
Finish26.22 mi1.02 mi3694+1373434+1233434+1232209(Top 8%)2022(Top 13%)2022(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4918

Males

4581

M18-39

4581

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5328

Males

4929

M18-39

4929

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4918

Males

4581

M18-39

4581

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5088

Males

4690

M18-39

4690

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3624

Males

3424

M18-39

3424

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3663

Males

3442

M18-39

3442

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3193

Males

2991

M18-39

2991

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4244

Males

3867

M18-39

3867

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3119

Males

2876

M18-39

2876

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2391

Males

2234

M18-39

2234

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3749

Males

3372

M18-39

3372

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3302

Males

2968

M18-39

2968

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3240

Males

2892

M18-39

2892

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2716

Males

2418

M18-39

2418

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2209

Males

2022

M18-39

2022

Passing Analysis

Category:
Athletes Passed
1869
Passed By
725
Net Change
+1144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4838
5K → 10K107313-206#4838#5044
10K → 15K16785+82#5044#4962
15K → 20K129142-13#4962#4975
20K → Half793+76#4975#4899
Half → 25K2805+275#4899#4624
25K → 30K3818+373#4624#4251
30K → 20M8459+25#4251#4226
20M → 21M11419+95#4226#4131
21M → 35K973+94#4131#4037
35K → 23M9844+54#4037#3983
23M → 24M7622+54#3983#3929
24M → 40K7012+58#3929#3871
40K → 25.2M444+40#3871#3831
25.2M → Finish1436+137#3831#3694
TOTALS1869725+1144
📊

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