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BOSTON MARATHON 2025

Tanner Trettin

Bib: 3713•M

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:27
Rank: #2188
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
38:32
Rank: #1869 (+319)
5K → 10K
19:05 | 6:09/mi
15K· 9.32 mi
57:38
Rank: #1771 (+98)
10K → 15K
19:06 | 6:09/mi
20K· 12.43 mi
1:16:55
Rank: #1714 (+57)
15K → 20K
19:17 | 6:12/mi
Half· 13.11 mi
1:21:04
Rank: #1694 (+20)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:02
Rank: #1607 (+87)
Half → 25K
14:58 | 6:10/mi
30K· 18.64 mi
1:55:28
Rank: #1457 (+150)
25K → 30K
19:26 | 6:15/mi
20M
2:03:57
Rank: #1381 (+76)
30K → 20M
8:29 | 6:15/mi
21M
2:10:23
Rank: #1303 (+78)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:14:56
Rank: #1265 (+38)
21M → 35K
4:33 | 6:05/mi
23M
2:22:43
Rank: #1186 (+79)
35K → 23M
7:47 | 6:13/mi
24M
2:28:46
Rank: #1140 (+46)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:34:01
Rank: #1107 (+33)
24M → 40K
5:15 | 6:08/mi
25.2M
2:36:18
Rank: #1081 (+26)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:42:14
Rank: #1029 (+52)
25.2M → Finish
5:56 | 5:49/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:04
Pace6:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:10
Pace6:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3219:276:1619:27
6:16
-
10K
6.21 mi10:40:3738:326:1219:05
6:09
-0:07
15K
9.32 mi10:59:4357:386:1119:06
6:09
0:00
20K
12.43 mi11:19:001:16:556:1119:17
6:12
+0:03
Half
13.11 mi11:23:091:21:046:114:09
6:05
-0:07
25K
15.53 mi11:38:071:36:026:1114:58
6:10
+0:05
30K
18.64 mi11:57:331:55:286:1219:26
6:15
+0:05
20M
20.00 mi12:06:022:03:576:128:29
6:15
0:00
21M
21.00 mi12:12:282:10:236:136:26
6:26
+0:11
35K
21.75 mi12:17:012:14:566:124:33
6:05
-0:21
23M
23.00 mi12:24:482:22:436:127:47
6:13
+0:08
24M
24.00 mi12:30:512:28:466:126:03
6:03
-0:10
40K
24.85 mi12:36:062:34:016:125:15
6:08
+0:05
25.2M
25.20 mi12:38:232:36:186:122:17
6:37
+0:29
Finish
26.22 mi12:44:192:42:146:125:56
5:49
-0:48

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

5:49 /mi

Average Pace

6:12 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:31

95% of race

Time at Steady Pace

8:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /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 mi10:21:3219:276:1619:27
6:16
#2188
10K
6.21 mi10:40:3738:326:1219:05
6:09
#1869
15K
9.32 mi10:59:4357:386:1119:06
6:09
#1771
20K
12.43 mi11:19:001:16:556:1119:17
6:12
#1714
Half
13.11 mi11:23:091:21:046:114:09
6:05
#1694
25K
15.53 mi11:38:071:36:026:1114:58
6:10
#1607
30K
18.64 mi11:57:331:55:286:1219:26
6:15
#1457
20M
20.00 mi12:06:022:03:576:128:29
6:15
#1381
21M
21.00 mi12:12:282:10:236:136:26
6:26
#1303
35K
21.75 mi12:17:012:14:566:124:33
6:05
#1265
23M
23.00 mi12:24:482:22:436:127:47
6:13
#1186
24M
24.00 mi12:30:512:28:466:126:03
6:03
#1140
40K
24.85 mi12:36:062:34:016:125:15
6:08
#1107
25.2M
25.20 mi12:38:232:36:186:122:17
6:37
#1081
Finish
26.22 mi12:44:192:42:146:125:56
5:49
#1029
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2188208920891588(Top 6%)1507(Top 9%)1507(Top 27%)
10K6.21 mi3.10 mi1869+3191778+3111778+3111629(Top 6%)1550(Top 10%)1550(Top 27%)
15K9.32 mi3.11 mi1771+981685+931685+931588(Top 6%)1507(Top 9%)1507(Top 27%)
20K12.43 mi3.11 mi1714+571628+571628+571601(Top 6%)1520(Top 9%)1520(Top 27%)
Half13.11 mi0.68 mi1694+201609+191609+191442(Top 5%)1370(Top 9%)1370(Top 24%)
25K15.53 mi2.42 mi1607+871524+851524+851341(Top 5%)1270(Top 8%)1270(Top 23%)
30K18.64 mi3.11 mi1457+1501377+1471377+1471070(Top 4%)1006(Top 6%)1006(Top 18%)
20M20.00 mi1.36 mi1381+761304+731304+73834(Top 3%)787(Top 5%)787(Top 14%)
21M21.00 mi1.00 mi1303+781229+751229+75572(Top 2%)540(Top 3%)540(Top 10%)
35K21.75 mi0.75 mi1265+381192+371192+37911(Top 3%)856(Top 5%)856(Top 15%)
23M23.00 mi1.25 mi1186+791117+751117+75709(Top 2%)670(Top 4%)670(Top 12%)
24M24.00 mi1.00 mi1140+461074+431074+43678(Top 2%)636(Top 4%)636(Top 11%)
40K24.85 mi0.85 mi1107+331043+311043+31620(Top 2%)580(Top 4%)580(Top 10%)
25.2M25.20 mi0.35 mi1081+261018+251018+25632(Top 2%)587(Top 4%)587(Top 10%)
Finish26.22 mi1.02 mi1029+52967+51967+51553(Top 2%)518(Top 3%)518(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1588

Males

1507

M18-39

1507

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1629

Males

1550

M18-39

1550

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1588

Males

1507

M18-39

1507

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1601

Males

1520

M18-39

1520

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1442

Males

1370

M18-39

1370

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1341

Males

1270

M18-39

1270

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1070

Males

1006

M18-39

1006

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

834

Males

787

M18-39

787

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

572

Males

540

M18-39

540

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

911

Males

856

M18-39

856

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

709

Males

670

M18-39

670

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

678

Males

636

M18-39

636

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

620

Males

580

M18-39

580

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

632

Males

587

M18-39

587

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

553

Males

518

M18-39

518

Passing Analysis

Category:
Athletes Passed
1255
Passed By
96
Net Change
+1159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2188
5K → 10K33920+319#2188#1869
10K → 15K11416+98#1869#1771
15K → 20K8326+57#1771#1714
20K → Half200+20#1714#1694
Half → 25K958+87#1694#1607
25K → 30K16010+150#1607#1457
30K → 20M793+76#1457#1381
20M → 21M780+78#1381#1303
21M → 35K402+38#1303#1265
35K → 23M823+79#1265#1186
23M → 24M504+46#1186#1140
24M → 40K352+33#1140#1107
40K → 25.2M260+26#1107#1081
25.2M → Finish542+52#1081#1029
TOTALS125596+1159
📊

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