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BOSTON MARATHON 2025

Cody Symonds

Bib: 416•M

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.7%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:26
Rank: #315
Start → 5K
17:26 | 5:37/mi
10K· 6.21 mi
34:53
Rank: #306 (+9)
5K → 10K
17:27 | 5:37/mi
15K· 9.32 mi
52:26
Rank: #296 (+10)
10K → 15K
17:33 | 5:39/mi
20K· 12.43 mi
1:10:10
Rank: #305 (-9)
15K → 20K
17:44 | 5:42/mi
Half· 13.11 mi
1:13:58
Rank: #300 (+5)
20K → Half
3:48 | 5:34/mi
25K· 15.53 mi
1:27:53
Rank: #306 (-6)
Half → 25K
13:55 | 5:44/mi
30K· 18.64 mi
1:45:55
Rank: #281 (+25)
25K → 30K
18:02 | 5:48/mi
20M
1:53:52
Rank: #268 (+13)
30K → 20M
7:57 | 5:51/mi
21M
2:00:00
Rank: #257 (+11)
20M → 21M
6:08 | 6:08/mi
35K· 21.75 mi
2:04:12
Rank: #247 (+10)
21M → 35K
4:12 | 5:37/mi
23M
2:11:28
Rank: #238 (+9)
35K → 23M
7:16 | 5:48/mi
24M
2:17:03
Rank: #216 (+22)
23M → 24M
5:35 | 5:35/mi
40K· 24.85 mi
2:21:58
Rank: #204 (+12)
24M → 40K
4:55 | 5:45/mi
25.2M
2:24:06
Rank: #202 (+2)
40K → 25.2M
2:08 | 6:11/mi
Finish· 26.22 mi
2:29:36
Rank: #185 (+17)
25.2M → Finish
5:30 | 5:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:58
Pace5:39 /mi
2nd Half
Distance13.11 mi
Time1:15:38
Pace5:46 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4517:265:3717:26
5:37
-
10K
6.21 mi10:35:1234:535:3717:27
5:37
0:00
15K
9.32 mi10:52:4552:265:3817:33
5:39
+0:02
20K
12.43 mi11:10:291:10:105:3917:44
5:42
+0:03
Half
13.11 mi11:14:171:13:585:393:48
5:34
-0:08
25K
15.53 mi11:28:121:27:535:3913:55
5:44
+0:10
30K
18.64 mi11:46:141:45:555:4118:02
5:48
+0:04
20M
20.00 mi11:54:111:53:525:427:57
5:51
+0:03
21M
21.00 mi12:00:192:00:005:436:08
6:08
+0:17
35K
21.75 mi12:04:312:04:125:434:12
5:37
-0:31
23M
23.00 mi12:11:472:11:285:437:16
5:48
+0:11
24M
24.00 mi12:17:222:17:035:435:35
5:35
-0:13
40K
24.85 mi12:22:172:21:585:434:55
5:45
+0:10
25.2M
25.20 mi12:24:252:24:065:432:08
6:11
+0:26
Finish
26.22 mi12:29:552:29:365:435:30
5:24
-0:47

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

5:24 /mi

Average Pace

5:43 /mi

Slowest Pace

6:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:20

94% of race

Time at Steady Pace

8:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:42 /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 mi10:17:4517:265:3717:26
5:37
#315
10K
6.21 mi10:35:1234:535:3717:27
5:37
#306
15K
9.32 mi10:52:4552:265:3817:33
5:39
#296
20K
12.43 mi11:10:291:10:105:3917:44
5:42
#305
Half
13.11 mi11:14:171:13:585:393:48
5:34
#300
25K
15.53 mi11:28:121:27:535:3913:55
5:44
#306
30K
18.64 mi11:46:141:45:555:4118:02
5:48
#281
20M
20.00 mi11:54:111:53:525:427:57
5:51
#268
21M
21.00 mi12:00:192:00:005:436:08
6:08
#257
35K
21.75 mi12:04:312:04:125:434:12
5:37
#247
23M
23.00 mi12:11:472:11:285:437:16
5:48
#238
24M
24.00 mi12:17:222:17:035:435:35
5:35
#216
40K
24.85 mi12:22:172:21:585:434:55
5:45
#204
25.2M
25.20 mi12:24:252:24:065:432:08
6:11
#202
Finish
26.22 mi12:29:552:29:365:435:30
5:24
#185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi315286286302(Top 1%)274(Top 2%)274(Top 5%)
10K6.21 mi3.10 mi306+9277+9277+9319(Top 1%)290(Top 2%)290(Top 5%)
15K9.32 mi3.11 mi296+10267+10267+10302(Top 1%)274(Top 2%)274(Top 5%)
20K12.43 mi3.11 mi305-9276-9276-9323(Top 1%)294(Top 2%)294(Top 5%)
Half13.11 mi0.68 mi300+5271+5271+5257(Top 0.9%)232(Top 1%)232(Top 4%)
25K15.53 mi2.42 mi306-6278-7278-7332(Top 1%)306(Top 2%)306(Top 5%)
30K18.64 mi3.11 mi281+25254+24254+24248(Top 0.9%)226(Top 1%)226(Top 4%)
20M20.00 mi1.36 mi268+13241+13241+13223(Top 0.8%)204(Top 1%)204(Top 4%)
21M21.00 mi1.00 mi257+11232+9232+9211(Top 0.7%)195(Top 1%)195(Top 3%)
35K21.75 mi0.75 mi247+10224+8224+8183(Top 0.6%)166(Top 1%)166(Top 3%)
23M23.00 mi1.25 mi238+9215+9215+9169(Top 0.6%)158(Top 1.0%)158(Top 3%)
24M24.00 mi1.00 mi216+22194+21194+21117(Top 0.4%)110(Top 0.7%)110(Top 2%)
40K24.85 mi0.85 mi204+12182+12182+12155(Top 0.5%)147(Top 0.9%)147(Top 3%)
25.2M25.20 mi0.35 mi202+2180+2180+2142(Top 0.5%)134(Top 0.8%)134(Top 2%)
Finish26.22 mi1.02 mi185+17164+16164+1688(Top 0.3%)83(Top 0.5%)83(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

302

Males

274

M18-39

274

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

319

Males

290

M18-39

290

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

302

Males

274

M18-39

274

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

323

Males

294

M18-39

294

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2stories
+19ft-37ft

Overall

257

Males

232

M18-39

232

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

332

Males

306

M18-39

306

25K→30K

15.5 - 18.6 mi

Top 0.9%
×9stories
+181ft-148ft

Overall

248

Males

226

M18-39

226

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

223

Males

204

M18-39

204

20M→21M

20.0 - 21.0 mi

Top 0.7%
×8stories
+106ft-24ft

Overall

211

Males

195

M18-39

195

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7stories
+17ft-86ft

Overall

183

Males

166

M18-39

166

35K→23M

21.8 - 23.0 mi

Top 0.6%
×5stories
+23ft-63ft

Overall

169

Males

158

M18-39

158

23M→24M

23.0 - 24.0 mi

Top 0.4%
×6stories
+12ft-82ft

Overall

117

Males

110

M18-39

110

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

155

Males

147

M18-39

147

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
×1story
+13ft-16ft

Overall

142

Males

134

M18-39

134

25.2M→Finish

25.2 - 26.2 mi

Top 0.3%
×2stories
+22ft-21ft

Overall

88

Males

83

M18-39

83

Passing Analysis

Category:
Athletes Passed
197
Passed By
67
Net Change
+130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#315
5K → 10K2011+9#315#306
10K → 15K188+10#306#296
15K → 20K1120-9#296#305
20K → Half61+5#305#300
Half → 25K915-6#300#306
25K → 30K305+25#306#281
30K → 20M152+13#281#268
20M → 21M121+11#268#257
21M → 35K100+10#257#247
35K → 23M112+9#247#238
23M → 24M220+22#238#216
24M → 40K120+12#216#204
40K → 25.2M31+2#204#202
25.2M → Finish181+17#202#185
TOTALS19767+130
📊

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