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BOSTON MARATHON 2025

Graham Strzelecki

Bib: 750•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.6%
Gender (Male)
#0 / 16105
Top 0.9%
Division (M18-39)
#0 / 5642
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:38
Rank: #389
Start → 5K
17:38 | 5:41/mi
10K· 6.21 mi
35:05
Rank: #349 (+40)
5K → 10K
17:27 | 5:37/mi
15K· 9.32 mi
52:31
Rank: #310 (+39)
10K → 15K
17:26 | 5:37/mi
20K· 12.43 mi
1:10:05
Rank: #292 (+18)
15K → 20K
17:34 | 5:39/mi
Half· 13.11 mi
1:13:50
Rank: #286 (+6)
20K → Half
3:45 | 5:30/mi
25K· 15.53 mi
1:27:21
Rank: #260 (+26)
Half → 25K
13:31 | 5:34/mi
30K· 18.64 mi
1:45:03
Rank: #221 (+39)
25K → 30K
17:42 | 5:42/mi
20M
1:52:48
Rank: #206 (+15)
30K → 20M
7:45 | 5:42/mi
21M
1:58:49
Rank: #194 (+12)
20M → 21M
6:01 | 6:01/mi
35K· 21.75 mi
2:03:00
Rank: #191 (+3)
21M → 35K
4:11 | 5:36/mi
23M
2:10:21
Rank: #183 (+8)
35K → 23M
7:21 | 5:52/mi
24M
2:16:03
Rank: #181 (+2)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:20:56
Rank: #176 (+5)
24M → 40K
4:53 | 5:43/mi
25.2M
2:23:02
Rank: #173 (+3)
40K → 25.2M
2:06 | 6:05/mi
Finish· 26.22 mi
2:28:42
Rank: #164 (+9)
25.2M → Finish
5:40 | 5:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:50
Pace5:38 /mi
2nd Half
Distance13.11 mi
Time1:14:52
Pace5:43 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4917:385:4117:38
5:41
-
10K
6.21 mi10:35:1635:055:3917:27
5:37
-0:04
15K
9.32 mi10:52:4252:315:3817:26
5:37
0:00
20K
12.43 mi11:10:161:10:055:3817:34
5:39
+0:02
Half
13.11 mi11:14:011:13:505:383:45
5:30
-0:09
25K
15.53 mi11:27:321:27:215:3713:31
5:34
+0:04
30K
18.64 mi11:45:141:45:035:3817:42
5:42
+0:08
20M
20.00 mi11:52:591:52:485:387:45
5:42
0:00
21M
21.00 mi11:59:001:58:495:396:01
6:01
+0:19
35K
21.75 mi12:03:112:03:005:394:11
5:36
-0:25
23M
23.00 mi12:10:322:10:215:407:21
5:52
+0:16
24M
24.00 mi12:16:142:16:035:405:42
5:42
-0:10
40K
24.85 mi12:21:072:20:565:404:53
5:43
+0:01
25.2M
25.20 mi12:23:132:23:025:412:06
6:05
+0:22
Finish
26.22 mi12:28:532:28:425:415:40
5:34
-0:31

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

5:30 /mi

Average Pace

5:41 /mi

Slowest Pace

6:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:36

99% of race

Time at Steady Pace

2:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:40 /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 mi10:17:4917:385:4117:38
5:41
#389
10K
6.21 mi10:35:1635:055:3917:27
5:37
#349
15K
9.32 mi10:52:4252:315:3817:26
5:37
#310
20K
12.43 mi11:10:161:10:055:3817:34
5:39
#292
Half
13.11 mi11:14:011:13:505:383:45
5:30
#286
25K
15.53 mi11:27:321:27:215:3713:31
5:34
#260
30K
18.64 mi11:45:141:45:035:3817:42
5:42
#221
20M
20.00 mi11:52:591:52:485:387:45
5:42
#206
21M
21.00 mi11:59:001:58:495:396:01
6:01
#194
35K
21.75 mi12:03:112:03:005:394:11
5:36
#191
23M
23.00 mi12:10:322:10:215:407:21
5:52
#183
24M
24.00 mi12:16:142:16:035:405:42
5:42
#181
40K
24.85 mi12:21:072:20:565:404:53
5:43
#176
25.2M
25.20 mi12:23:132:23:025:412:06
6:05
#173
Finish
26.22 mi12:28:532:28:425:415:40
5:34
#164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi389356356255(Top 0.9%)227(Top 1%)227(Top 4%)
10K6.21 mi3.10 mi349+40319+37319+37318(Top 1%)289(Top 2%)289(Top 5%)
15K9.32 mi3.11 mi310+39281+38281+38255(Top 0.9%)227(Top 1%)227(Top 4%)
20K12.43 mi3.11 mi292+18263+18263+18257(Top 0.9%)231(Top 1%)231(Top 4%)
Half13.11 mi0.68 mi286+6258+5258+5185(Top 0.7%)163(Top 1%)163(Top 3%)
25K15.53 mi2.42 mi260+26234+24234+24178(Top 0.6%)155(Top 1.0%)155(Top 3%)
30K18.64 mi3.11 mi221+39196+38196+38170(Top 0.6%)148(Top 0.9%)148(Top 3%)
20M20.00 mi1.36 mi206+15183+13183+13128(Top 0.5%)116(Top 0.7%)116(Top 2%)
21M21.00 mi1.00 mi194+12172+11172+11127(Top 0.4%)119(Top 0.7%)119(Top 2%)
35K21.75 mi0.75 mi191+3169+3169+3168(Top 0.6%)152(Top 0.9%)152(Top 3%)
23M23.00 mi1.25 mi183+8162+7162+7212(Top 0.7%)196(Top 1%)196(Top 3%)
24M24.00 mi1.00 mi181+2160+2160+2186(Top 0.7%)170(Top 1%)170(Top 3%)
40K24.85 mi0.85 mi176+5155+5155+5135(Top 0.5%)127(Top 0.8%)127(Top 2%)
25.2M25.20 mi0.35 mi173+3152+3152+3109(Top 0.4%)102(Top 0.6%)102(Top 2%)
Finish26.22 mi1.02 mi164+9143+9143+9190(Top 0.7%)179(Top 1%)179(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.9%
×21stories
+97ft-345ft

Overall

255

Males

227

M18-39

227

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

318

Males

289

M18-39

289

10K→15K

6.2 - 9.3 mi

Top 0.9%
×3stories
+67ft-78ft

Overall

255

Males

227

M18-39

227

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5stories
+106ft-86ft

Overall

257

Males

231

M18-39

231

20K→Half

12.4 - 13.1 mi

Top 0.7%
×2stories
+19ft-37ft

Overall

185

Males

163

M18-39

163

Half→25K

13.1 - 15.5 mi

Top 0.6%
×4stories
+66ft-88ft

Overall

178

Males

155

M18-39

155

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9stories
+181ft-148ft

Overall

170

Males

148

M18-39

148

30K→20M

18.6 - 20.0 mi

Top 0.5%
×5stories
+64ft-50ft

Overall

128

Males

116

M18-39

116

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8stories
+106ft-24ft

Overall

127

Males

119

M18-39

119

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7stories
+17ft-86ft

Overall

168

Males

152

M18-39

152

35K→23M

21.8 - 23.0 mi

Top 0.7%
×5stories
+23ft-63ft

Overall

212

Males

196

M18-39

196

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6stories
+12ft-82ft

Overall

186

Males

170

M18-39

170

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

135

Males

127

M18-39

127

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

109

Males

102

M18-39

102

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

190

Males

179

M18-39

179

Passing Analysis

Category:
Athletes Passed
245
Passed By
20
Net Change
+225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#389
5K → 10K477+40#389#349
10K → 15K412+39#349#310
15K → 20K235+18#310#292
20K → Half60+6#292#286
Half → 25K271+26#286#260
25K → 30K390+39#260#221
30K → 20M150+15#221#206
20M → 21M131+12#206#194
21M → 35K30+3#194#191
35K → 23M113+8#191#183
23M → 24M31+2#183#181
24M → 40K50+5#181#176
40K → 25.2M30+3#176#173
25.2M → Finish90+9#173#164
TOTALS24520+225
📊

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