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BOSTON MARATHON 2025

Karl Baranov

Bib: 3029•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:12
Rank: #717
Start → 5K
18:12 | 5:51/mi
10K· 6.21 mi
36:12
Rank: #645 (+72)
5K → 10K
18:00 | 5:48/mi
15K· 9.32 mi
54:17
Rank: #615 (+30)
10K → 15K
18:05 | 5:49/mi
20K· 12.43 mi
1:12:53
Rank: #653 (-38)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:17:01
Rank: #682 (-29)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:32:31
Rank: #840 (-158)
Half → 25K
15:30 | 6:24/mi
30K· 18.64 mi
1:54:40
Rank: #1308 (-468)
25K → 30K
22:09 | 7:08/mi
20M
2:04:13
Rank: #1429 (-121)
30K → 20M
9:33 | 7:02/mi
21M
2:12:51
Rank: #1789 (-360)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:19:50
Rank: #2271 (-482)
21M → 35K
6:59 | 9:20/mi
23M
2:33:35
Rank: #3532 (-1261)
35K → 23M
13:45 | 10:59/mi
24M
2:41:27
Rank: #3792 (-260)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
2:48:49
Rank: #4154 (-362)
24M → 40K
7:22 | 8:37/mi
25.2M
2:51:24
Rank: #4140 (+14)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:57:52
Rank: #4002 (+138)
25.2M → Finish
6:28 | 6:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:01
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
📊Positive Split: 30.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0718:125:5118:12
5:51
-
10K
6.21 mi10:37:0736:125:5018:00
5:48
-0:03
15K
9.32 mi10:55:1254:175:4918:05
5:49
+0:01
20K
12.43 mi11:13:481:12:535:5218:36
5:59
+0:10
Half
13.11 mi11:17:561:17:015:524:08
6:03
+0:04
25K
15.53 mi11:33:261:32:315:5715:30
6:24
+0:21
30K
18.64 mi11:55:351:54:406:0922:09
7:08
+0:44
20M
20.00 mi12:05:082:04:136:139:33
7:02
-0:06
21M
21.00 mi12:13:462:12:516:208:38
8:38
+1:36
35K
21.75 mi12:20:452:19:506:266:59
9:20
+0:42
23M
23.00 mi12:34:302:33:356:4113:45
10:59
+1:39
24M
24.00 mi12:42:222:41:276:447:52
7:52
-3:07
40K
24.85 mi12:49:442:48:496:487:22
8:37
+0:45
25.2M
25.20 mi12:52:192:51:246:482:35
7:29
-1:08
Finish
26.22 mi12:58:472:57:526:476:28
6:21
-1:08

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

5:48 /mi

Average Pace

6:47 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:01

43% of race

Time at Steady Pace

56:15

32% of race

Time at Slower Pace

44:36

25% of race

Average Pace: 6:47 /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 mi10:19:0718:125:5118:12
5:51
#717
10K
6.21 mi10:37:0736:125:5018:00
5:48
#645
15K
9.32 mi10:55:1254:175:4918:05
5:49
#615
20K
12.43 mi11:13:481:12:535:5218:36
5:59
#653
Half
13.11 mi11:17:561:17:015:524:08
6:03
#682
25K
15.53 mi11:33:261:32:315:5715:30
6:24
#840
30K
18.64 mi11:55:351:54:406:0922:09
7:08
#1308
20M
20.00 mi12:05:082:04:136:139:33
7:02
#1429
21M
21.00 mi12:13:462:12:516:208:38
8:38
#1789
35K
21.75 mi12:20:452:19:506:266:59
9:20
#2271
23M
23.00 mi12:34:302:33:356:4113:45
10:59
#3532
24M
24.00 mi12:42:222:41:276:447:52
7:52
#3792
40K
24.85 mi12:49:442:48:496:487:22
8:37
#4154
25.2M
25.20 mi12:52:192:51:246:482:35
7:29
#4140
Finish
26.22 mi12:58:472:57:526:476:28
6:21
#4002
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi717667667562(Top 2%)524(Top 3%)524(Top 9%)
10K6.21 mi3.10 mi645+72599+68599+68602(Top 2%)563(Top 3%)563(Top 10%)
15K9.32 mi3.11 mi615+30570+29570+29562(Top 2%)524(Top 3%)524(Top 9%)
20K12.43 mi3.11 mi653-38606-36606-36841(Top 3%)791(Top 5%)791(Top 14%)
Half13.11 mi0.68 mi682-29635-29635-291398(Top 5%)1330(Top 8%)1330(Top 24%)
25K15.53 mi2.42 mi840-158788-153788-1532334(Top 8%)2219(Top 14%)2219(Top 39%)
30K18.64 mi3.11 mi1308-4681235-4471235-4475471(Top 19%)4911(Top 30%)4911(Top 87%)
20M20.00 mi1.36 mi1429-1211349-1141349-1144252(Top 15%)3875(Top 24%)3875(Top 69%)
21M21.00 mi1.00 mi1789-3601699-3501699-35011250(Top 40%)7994(Top 50%)7994(Top 142%)
35K21.75 mi0.75 mi2271-4822163-4642163-46419678(Top 69%)11804(Top 73%)11804(Top 209%)
23M23.00 mi1.25 mi3532-12613319-11563319-115623168(Top 82%)13408(Top 83%)13408(Top 238%)
24M24.00 mi1.00 mi3792-2603541-2223541-22210263(Top 36%)7283(Top 45%)7283(Top 129%)
40K24.85 mi0.85 mi4154-3623838-2973838-29714101(Top 50%)9028(Top 56%)9028(Top 160%)
25.2M25.20 mi0.35 mi4140+143821+173821+173314(Top 12%)2904(Top 18%)2904(Top 51%)
Finish26.22 mi1.02 mi4002+1383698+1233698+1232081(Top 7%)1908(Top 12%)1908(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

562

Males

524

M18-39

524

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

602

Males

563

M18-39

563

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

562

Males

524

M18-39

524

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

841

Males

791

M18-39

791

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1398

Males

1330

M18-39

1330

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2334

Males

2219

M18-39

2219

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5471

Males

4911

M18-39

4911

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4252

Males

3875

M18-39

3875

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11250

Males

7994

M18-39

7994

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19678

Males

11804

M18-39

11804

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23168

Males

13408

M18-39

13408

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10263

Males

7283

M18-39

7283

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14101

Males

9028

M18-39

9028

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3314

Males

2904

M18-39

2904

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2081

Males

1908

M18-39

1908

Passing Analysis

Category:
Athletes Passed
343
Passed By
3628
Net Change
-3285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#717
5K → 10K797+72#717#645
10K → 15K344+30#645#615
15K → 20K1654-38#615#653
20K → Half130-29#653#682
Half → 25K5163-158#682#840
25K → 30K2470-468#840#1308
30K → 20M9130-121#1308#1429
20M → 21M0360-360#1429#1789
21M → 35K3485-482#1789#2271
35K → 23M11262-1261#2271#3532
23M → 24M14274-260#3532#3792
24M → 40K7369-362#3792#4154
40K → 25.2M2814+14#4154#4140
25.2M → Finish1446+138#4140#4002
TOTALS3433628-3285
📊

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