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BOSTON MARATHON 2025

Tiago Koch

Bib: 8795•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M40-44)
#0 / 2247
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #5266
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:22
Rank: #4986 (+280)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:02:13
Rank: #5006 (-20)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:22:59
Rank: #4801 (+205)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:27:27
Rank: #4745 (+56)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:43:45
Rank: #4614 (+131)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:05:22
Rank: #4535 (+79)
25K → 30K
21:37 | 6:57/mi
20M
2:14:59
Rank: #4508 (+27)
30K → 20M
9:37 | 7:05/mi
21M
2:22:31
Rank: #4504 (+4)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:27:41
Rank: #4486 (+18)
21M → 35K
5:10 | 6:54/mi
23M
2:36:32
Rank: #4427 (+59)
35K → 23M
8:51 | 7:04/mi
24M
2:43:34
Rank: #4433 (-6)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:49:47
Rank: #4465 (-32)
24M → 40K
6:13 | 7:16/mi
25.2M
2:52:28
Rank: #4470 (-5)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:59:25
Rank: #4495 (-25)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:27
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:31:58
Pace7:01 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0820:456:4120:45
6:41
-
10K
6.21 mi11:06:4541:226:3920:37
6:38
-0:03
15K
9.32 mi11:27:361:02:136:4120:51
6:43
+0:05
20K
12.43 mi11:48:221:22:596:4120:46
6:41
-0:02
Half
13.11 mi11:52:501:27:276:404:28
6:33
-0:08
25K
15.53 mi12:09:081:43:456:4116:18
6:43
+0:10
30K
18.64 mi12:30:452:05:226:4421:37
6:57
+0:14
20M
20.00 mi12:40:222:14:596:459:37
7:05
+0:08
21M
21.00 mi12:47:542:22:316:477:32
7:32
+0:27
35K
21.75 mi12:53:042:27:416:475:10
6:54
-0:38
23M
23.00 mi13:01:552:36:326:488:51
7:04
+0:10
24M
24.00 mi13:08:572:43:346:497:02
7:02
-0:02
40K
24.85 mi13:15:102:49:476:506:13
7:16
+0:14
25.2M
25.20 mi13:17:512:52:286:512:41
7:47
+0:31
Finish
26.22 mi13:24:482:59:256:516:57
6:49
-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

6:33 /mi

Average Pace

6:51 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:59

91% of race

Time at Steady Pace

13:45

8% of race

Time at Slower Pace

2:41

1% of race

Average Pace: 6:51 /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 mi10:46:0820:456:4120:45
6:41
#5266
10K
6.21 mi11:06:4541:226:3920:37
6:38
#4986
15K
9.32 mi11:27:361:02:136:4120:51
6:43
#5006
20K
12.43 mi11:48:221:22:596:4120:46
6:41
#4801
Half
13.11 mi11:52:501:27:276:404:28
6:33
#4745
25K
15.53 mi12:09:081:43:456:4116:18
6:43
#4614
30K
18.64 mi12:30:452:05:226:4421:37
6:57
#4535
20M
20.00 mi12:40:222:14:596:459:37
7:05
#4508
21M
21.00 mi12:47:542:22:316:477:32
7:32
#4504
35K
21.75 mi12:53:042:27:416:475:10
6:54
#4486
23M
23.00 mi13:01:552:36:326:488:51
7:04
#4427
24M
24.00 mi13:08:572:43:346:497:02
7:02
#4433
40K
24.85 mi13:15:102:49:476:506:13
7:16
#4465
25.2M
25.20 mi13:17:512:52:286:512:41
7:47
#4470
Finish
26.22 mi13:24:482:59:256:516:57
6:49
#4495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5266490149015186(Top 18%)4799(Top 30%)4799(Top 214%)
10K6.21 mi3.10 mi4986+2804650+2514650+2514757(Top 17%)4454(Top 28%)4454(Top 198%)
15K9.32 mi3.11 mi5006-204666-164666-165186(Top 18%)4799(Top 30%)4799(Top 214%)
20K12.43 mi3.11 mi4801+2054478+1884478+1884305(Top 15%)4028(Top 25%)4028(Top 179%)
Half13.11 mi0.68 mi4745+564427+514427+514048(Top 14%)3812(Top 24%)3812(Top 170%)
25K15.53 mi2.42 mi4614+1314306+1214306+1214312(Top 15%)4000(Top 25%)4000(Top 178%)
30K18.64 mi3.11 mi4535+794226+804226+804439(Top 16%)4062(Top 25%)4062(Top 181%)
20M20.00 mi1.36 mi4508+274190+364190+364564(Top 16%)4148(Top 26%)4148(Top 185%)
21M21.00 mi1.00 mi4504+44181+94181+94785(Top 17%)4219(Top 26%)4219(Top 188%)
35K21.75 mi0.75 mi4486+184158+234158+234780(Top 17%)4223(Top 26%)4223(Top 188%)
23M23.00 mi1.25 mi4427+594099+594099+594172(Top 15%)3716(Top 23%)3716(Top 165%)
24M24.00 mi1.00 mi4433-64090+94090+94830(Top 17%)4144(Top 26%)4144(Top 184%)
40K24.85 mi0.85 mi4465-324109-194109-195488(Top 19%)4548(Top 28%)4548(Top 202%)
25.2M25.20 mi0.35 mi4470-54106+34106+34788(Top 17%)3986(Top 25%)3986(Top 177%)
Finish26.22 mi1.02 mi4495-254122-164122-164628(Top 16%)3878(Top 24%)3878(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5186

Males

4799

M40-44

4799

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4757

Males

4454

M40-44

4454

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5186

Males

4799

M40-44

4799

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4305

Males

4028

M40-44

4028

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4048

Males

3812

M40-44

3812

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4312

Males

4000

M40-44

4000

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4439

Males

4062

M40-44

4062

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4564

Males

4148

M40-44

4148

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4785

Males

4219

M40-44

4219

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4780

Males

4223

M40-44

4223

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4172

Males

3716

M40-44

3716

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4830

Males

4144

M40-44

4144

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5488

Males

4548

M40-44

4548

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4788

Males

3986

M40-44

3986

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4628

Males

3878

M40-44

3878

Passing Analysis

Category:
Athletes Passed
1577
Passed By
806
Net Change
+771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5266
5K → 10K35676+280#5266#4986
10K → 15K116136-20#4986#5006
15K → 20K24237+205#5006#4801
20K → Half604+56#4801#4745
Half → 25K16837+131#4745#4614
25K → 30K179100+79#4614#4535
30K → 20M8356+27#4535#4508
20M → 21M7773+4#4508#4504
21M → 35K5234+18#4504#4486
35K → 23M9435+59#4486#4427
23M → 24M4955-6#4427#4433
24M → 40K3971-32#4433#4465
40K → 25.2M2227-5#4465#4470
25.2M → Finish4065-25#4470#4495
TOTALS1577806+771
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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