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BOSTON MARATHON 2025

Gustav Biner

Bib: 13905•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 44%
Division (M50-54)
#0 / 1996
Top 47%
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
6:59/mi
21:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
43:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:06:16
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:29:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:34:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:52:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:17:49
↑ 181↓ 1480.2%
20M
8:31/mi
2:29:23
↑ 64↓ 500.2%
21M
9:12/mi
2:38:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
2:44:55
↑ 17↓ 861.7%
23M
8:58/mi
2:56:09
↑ 23↓ 630.6%
24M
8:59/mi
3:05:08
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:12:58
↓ 200.3%
25.2M
10:06/mi
3:16:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:51/mi
3:25:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:12
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:51:16
Pace8:29 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1321:416:5921:41
6:59
-
10K
6.21 mi11:12:2643:547:0422:13
7:09
+0:10
15K
9.32 mi11:34:481:06:167:0722:22
7:12
+0:03
20K
12.43 mi11:57:421:29:107:1022:54
7:22
+0:10
Half
13.11 mi12:02:441:34:127:115:02
7:23
+0:01
25K
15.53 mi12:21:051:52:337:1518:21
7:34
+0:11
30K
18.64 mi12:46:212:17:497:2425:16
8:08
+0:34
20M
20.00 mi12:57:552:29:237:2811:34
8:31
+0:23
21M
21.00 mi13:07:072:38:357:339:12
9:12
+0:41
35K
21.75 mi13:13:272:44:557:356:20
8:28
-0:44
23M
23.00 mi13:24:412:56:097:4011:14
8:58
+0:30
24M
24.00 mi13:33:403:05:087:438:59
8:59
+0:01
40K
24.85 mi13:41:303:12:587:467:50
9:10
+0:11
25.2M
25.20 mi13:44:593:16:277:483:29
10:06
+0:56
Finish
26.22 mi13:54:003:25:287:519:01
8:51
-1:15

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

6:59 /mi

Average Pace

7:51 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:33

55% of race

Time at Steady Pace

52:11

25% of race

Time at Slower Pace

40:44

20% of race

Average Pace: 7:50 /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 mi10:50:1321:416:5921:41
6:59
#7667
10K
6.21 mi11:12:2643:547:0422:13
7:09
#8391
15K
9.32 mi11:34:481:06:167:0722:22
7:12
#8563
20K
12.43 mi11:57:421:29:107:1022:54
7:22
#8767
Half
13.11 mi12:02:441:34:127:115:02
7:23
#8846
25K
15.53 mi12:21:051:52:337:1518:21
7:34
#9073
30K
18.64 mi12:46:212:17:497:2425:16
8:08
#9639
20M
20.00 mi12:57:552:29:237:2811:34
8:31
#9950
21M
21.00 mi13:07:072:38:357:339:12
9:12
#10257
35K
21.75 mi13:13:272:44:557:356:20
8:28
#10470
23M
23.00 mi13:24:412:56:097:4011:14
8:58
#10806
24M
24.00 mi13:33:403:05:087:438:59
8:59
#11118
40K
24.85 mi13:41:303:12:587:467:50
9:10
#11385
25.2M
25.20 mi13:44:593:16:277:483:29
10:06
#11501
Finish
26.22 mi13:54:003:25:287:519:01
8:51
#11818
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7667677767779113(Top 32%)7618(Top 47%)7618(Top 382%)
10K6.21 mi3.10 mi8391-7247231-4547231-4549078(Top 32%)7652(Top 48%)7652(Top 383%)
15K9.32 mi3.11 mi8563-1727329-987329-989113(Top 32%)7618(Top 47%)7618(Top 382%)
20K12.43 mi3.11 mi8767-2047421-927421-929646(Top 34%)7818(Top 49%)7818(Top 392%)
Half13.11 mi0.68 mi8846-797464-437464-4310661(Top 38%)8383(Top 52%)8383(Top 420%)
25K15.53 mi2.42 mi9073-2277569-1057569-10510500(Top 37%)8152(Top 51%)8152(Top 408%)
30K18.64 mi3.11 mi9639-5667815-2467815-24612316(Top 43%)8823(Top 55%)8823(Top 442%)
20M20.00 mi1.36 mi9950-3117958-1437958-14313840(Top 49%)9363(Top 58%)9363(Top 469%)
21M21.00 mi1.00 mi10257-3078060-1028060-10214594(Top 51%)9605(Top 60%)9605(Top 481%)
35K21.75 mi0.75 mi10470-2138151-918151-9115212(Top 54%)9811(Top 61%)9811(Top 492%)
23M23.00 mi1.25 mi10806-3368270-1198270-11916086(Top 57%)10104(Top 63%)10104(Top 506%)
24M24.00 mi1.00 mi11118-3128374-1048374-10417246(Top 61%)10576(Top 66%)10576(Top 530%)
40K24.85 mi0.85 mi11385-2678462-888462-8817146(Top 60%)10436(Top 65%)10436(Top 523%)
25.2M25.20 mi0.35 mi11501-1168508-468508-4617393(Top 61%)10533(Top 65%)10533(Top 528%)
Finish26.22 mi1.02 mi11818-3178623-1158623-11518254(Top 64%)10987(Top 68%)10987(Top 550%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9113

Males

7618

M50-54

7618

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9078

Males

7652

M50-54

7652

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9113

Males

7618

M50-54

7618

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9646

Males

7818

M50-54

7818

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10661

Males

8383

M50-54

8383

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10500

Males

8152

M50-54

8152

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12316

Males

8823

M50-54

8823

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13840

Males

9363

M50-54

9363

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14594

Males

9605

M50-54

9605

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15212

Males

9811

M50-54

9811

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16086

Males

10104

M50-54

10104

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17246

Males

10576

M50-54

10576

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17146

Males

10436

M50-54

10436

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17393

Males

10533

M50-54

10533

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18254

Males

10987

M50-54

10987

Passing Analysis

Category:
Athletes Passed
670
Passed By
4818
Net Change
-4151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7667
5K → 10K35759-724#7667#8391
10K → 15K106278-172#8391#8563
15K → 20K108312-204#8563#8767
20K → Half1190-79#8767#8846
Half → 25K95322-227#8846#9073
25K → 30K98664-566#9073#9639
30K → 20M45355-311#9639#9950
20M → 21M32337-307#9950#10257
21M → 35K14227-213#10257#10470
35K → 23M40376-336#10470#10806
23M → 24M28340-312#10806#11118
24M → 40K17284-267#11118#11385
40K → 25.2M16132-116#11385#11501
25.2M → Finish25342-317#11501#11818
TOTALS6704818-4151
📊

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