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BOSTON MARATHON 2025

Grant Rice

Bib: 3604•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 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:23
Rank: #6920
Start → 5K
21:23 | 6:53/mi
10K· 6.21 mi
42:32
Rank: #6699 (+221)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:39
Rank: #6472 (+227)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:35
Rank: #5987 (+485)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:28:59
Rank: #5839 (+148)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:45:20
Rank: #5536 (+303)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:06:27
Rank: #5014 (+522)
25K → 30K
21:07 | 6:48/mi
20M
2:15:37
Rank: #4782 (+232)
30K → 20M
9:10 | 6:45/mi
21M
2:22:43
Rank: #4578 (+204)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:27:41
Rank: #4477 (+101)
21M → 35K
4:58 | 6:38/mi
23M
2:36:15
Rank: #4337 (+140)
35K → 23M
8:34 | 6:51/mi
24M
2:42:50
Rank: #4184 (+153)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:48:36
Rank: #4097 (+87)
24M → 40K
5:46 | 6:45/mi
25.2M
2:51:08
Rank: #4055 (+42)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:57:38
Rank: #3928 (+127)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:59
Pace6:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5121:236:5321:23
6:53
-
10K
6.21 mi10:45:0042:326:5121:09
6:48
-0:05
15K
9.32 mi11:06:071:03:396:5021:07
6:48
0:00
20K
12.43 mi11:27:031:24:356:4820:56
6:44
-0:04
Half
13.11 mi11:31:271:28:596:474:24
6:27
-0:17
25K
15.53 mi11:47:481:45:206:4716:21
6:45
+0:18
30K
18.64 mi12:08:552:06:276:4721:07
6:48
+0:03
20M
20.00 mi12:18:052:15:376:479:10
6:45
-0:03
21M
21.00 mi12:25:112:22:436:487:06
7:06
+0:21
35K
21.75 mi12:30:092:27:416:474:58
6:38
-0:28
23M
23.00 mi12:38:432:36:156:488:34
6:51
+0:13
24M
24.00 mi12:45:182:42:506:476:35
6:35
-0:16
40K
24.85 mi12:51:042:48:366:475:46
6:45
+0:10
25.2M
25.20 mi12:53:362:51:086:472:32
7:21
+0:36
Finish
26.22 mi13:00:062:57:386:476:30
6:23
-0:58

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

6:23 /mi

Average Pace

6:47 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:00

95% of race

Time at Steady Pace

9:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:23:5121:236:5321:23
6:53
#6920
10K
6.21 mi10:45:0042:326:5121:09
6:48
#6699
15K
9.32 mi11:06:071:03:396:5021:07
6:48
#6472
20K
12.43 mi11:27:031:24:356:4820:56
6:44
#5987
Half
13.11 mi11:31:271:28:596:474:24
6:27
#5839
25K
15.53 mi11:47:481:45:206:4716:21
6:45
#5536
30K
18.64 mi12:08:552:06:276:4721:07
6:48
#5014
20M
20.00 mi12:18:052:15:376:479:10
6:45
#4782
21M
21.00 mi12:25:112:22:436:487:06
7:06
#4578
35K
21.75 mi12:30:092:27:416:474:58
6:38
#4477
23M
23.00 mi12:38:432:36:156:488:34
6:51
#4337
24M
24.00 mi12:45:182:42:506:476:35
6:35
#4184
40K
24.85 mi12:51:042:48:366:475:46
6:45
#4097
25.2M
25.20 mi12:53:362:51:086:472:32
7:21
#4055
Finish
26.22 mi13:00:062:57:386:476:30
6:23
#3928
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6920624062406034(Top 21%)5484(Top 34%)5484(Top 97%)
10K6.21 mi3.10 mi6699+2216060+1806060+1806442(Top 23%)5830(Top 36%)5830(Top 103%)
15K9.32 mi3.11 mi6472+2275872+1885872+1886034(Top 21%)5484(Top 34%)5484(Top 97%)
20K12.43 mi3.11 mi5987+4855474+3985474+3984748(Top 17%)4393(Top 27%)4393(Top 78%)
Half13.11 mi0.68 mi5839+1485352+1225352+1223361(Top 12%)3187(Top 20%)3187(Top 56%)
25K15.53 mi2.42 mi5536+3035087+2655087+2654414(Top 16%)4086(Top 25%)4086(Top 72%)
30K18.64 mi3.11 mi5014+5224621+4664621+4663423(Top 12%)3189(Top 20%)3189(Top 57%)
20M20.00 mi1.36 mi4782+2324428+1934428+1932671(Top 9%)2505(Top 16%)2505(Top 44%)
21M21.00 mi1.00 mi4578+2044248+1804248+1802669(Top 9%)2479(Top 15%)2479(Top 44%)
35K21.75 mi0.75 mi4477+1014149+994149+993142(Top 11%)2884(Top 18%)2884(Top 51%)
23M23.00 mi1.25 mi4337+1404018+1314018+1312902(Top 10%)2657(Top 16%)2657(Top 47%)
24M24.00 mi1.00 mi4184+1533875+1433875+1432413(Top 8%)2229(Top 14%)2229(Top 40%)
40K24.85 mi0.85 mi4097+873794+813794+812578(Top 9%)2346(Top 15%)2346(Top 42%)
25.2M25.20 mi0.35 mi4055+423750+443750+442724(Top 10%)2426(Top 15%)2426(Top 43%)
Finish26.22 mi1.02 mi3928+1273633+1173633+1172211(Top 8%)2024(Top 13%)2024(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6034

Males

5484

M18-39

5484

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6442

Males

5830

M18-39

5830

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6034

Males

5484

M18-39

5484

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4748

Males

4393

M18-39

4393

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3361

Males

3187

M18-39

3187

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4414

Males

4086

M18-39

4086

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3423

Males

3189

M18-39

3189

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2671

Males

2505

M18-39

2505

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2669

Males

2479

M18-39

2479

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3142

Males

2884

M18-39

2884

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2902

Males

2657

M18-39

2657

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2413

Males

2229

M18-39

2229

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2578

Males

2346

M18-39

2346

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2724

Males

2426

M18-39

2426

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2211

Males

2024

M18-39

2024

Passing Analysis

Category:
Athletes Passed
3195
Passed By
203
Net Change
+2992
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6920
5K → 10K31392+221#6920#6699
10K → 15K28356+227#6699#6472
15K → 20K4883+485#6472#5987
20K → Half1480+148#5987#5839
Half → 25K3096+303#5839#5536
25K → 30K5242+522#5536#5014
30K → 20M2342+232#5014#4782
20M → 21M2062+204#4782#4578
21M → 35K1065+101#4578#4477
35K → 23M15111+140#4477#4337
23M → 24M1574+153#4337#4184
24M → 40K903+87#4184#4097
40K → 25.2M475+42#4097#4055
25.2M → Finish13912+127#4055#3928
TOTALS3195203+2992
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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