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BOSTON MARATHON 2025

Rienk De Vries

Bib: 24406•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
9:01/mi
28:00
↑ 97↓ 3451.5%
10K· 6.21 mi
9:16/mi
56:47
↑ 79↓ 1380.4%
15K· 9.32 mi
9:22/mi
1:25:53
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
1:56:01
↑ 106↓ 860.1%
Half· 13.11 mi
9:24/mi
2:02:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:59/mi
2:26:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:32/mi
2:59:22
↑ 181↓ 1480.2%
20M
10:26/mi
3:13:33
↑ 64↓ 500.2%
21M
11:13/mi
3:24:46
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:32:00
↑ 17↓ 861.7%
23M
10:17/mi
3:44:52
↑ 23↓ 630.6%
24M
9:59/mi
3:54:51
↓ 821.3%
40K· 24.85 mi
10:15/mi
4:03:37
↓ 200.3%
25.2M
11:24/mi
4:07:33
↑ 13↓ 160.2%
Finish· 26.22 mi
10:22/mi
4:18:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:26
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:15:41
Pace10:21 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0628:009:0128:00
9:01
-
10K
6.21 mi11:54:5356:479:0828:47
9:16
+0:15
15K
9.32 mi12:23:591:25:539:1329:06
9:22
+0:06
20K
12.43 mi12:54:071:56:019:2030:08
9:42
+0:20
Half
13.11 mi13:00:322:02:269:206:25
9:24
-0:18
25K
15.53 mi13:24:442:26:389:2624:12
9:59
+0:35
30K
18.64 mi13:57:282:59:229:3732:44
10:32
+0:33
20M
20.00 mi14:11:393:13:339:4114:11
10:26
-0:06
21M
21.00 mi14:22:523:24:469:4511:13
11:13
+0:47
35K
21.75 mi14:30:063:32:009:457:14
9:40
-1:33
23M
23.00 mi14:42:583:44:529:4712:52
10:17
+0:37
24M
24.00 mi14:52:573:54:519:479:59
9:59
-0:18
40K
24.85 mi15:01:434:03:379:488:46
10:15
+0:16
25.2M
25.20 mi15:05:394:07:339:493:56
11:24
+1:09
Finish
26.22 mi15:16:134:18:079:5110:34
10:22
-1:02

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

9:01 /mi

Average Pace

9:51 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:18

36% of race

Time at Steady Pace

1:33:11

36% of race

Time at Slower Pace

1:12:38

28% of race

Average Pace: 9:51 /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 mi11:26:0628:009:0128:00
9:01
#22458
10K
6.21 mi11:54:5356:479:0828:47
9:16
#22976
15K
9.32 mi12:23:591:25:539:1329:06
9:22
#23160
20K
12.43 mi12:54:071:56:019:2030:08
9:42
#23242
Half
13.11 mi13:00:322:02:269:206:25
9:24
#23244
25K
15.53 mi13:24:442:26:389:2624:12
9:59
#23239
30K
18.64 mi13:57:282:59:229:3732:44
10:32
#23157
20M
20.00 mi14:11:393:13:339:4114:11
10:26
#23084
21M
21.00 mi14:22:523:24:469:4511:13
11:13
#23010
35K
21.75 mi14:30:063:32:009:457:14
9:40
#22940
23M
23.00 mi14:42:583:44:529:4712:52
10:17
#22831
24M
24.00 mi14:52:573:54:519:479:59
9:59
#22741
40K
24.85 mi15:01:434:03:379:488:46
10:15
#22672
25.2M
25.20 mi15:05:394:07:339:493:56
11:24
#22659
Finish
26.22 mi15:16:134:18:079:5110:34
10:22
#22724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22458135131351323380(Top 82%)14011(Top 87%)14011(Top 2193%)
10K6.21 mi3.10 mi22976-51813777-26413777-26423404(Top 82%)13982(Top 87%)13982(Top 2188%)
15K9.32 mi3.11 mi23160-18413876-9913876-9923380(Top 82%)14011(Top 87%)14011(Top 2193%)
20K12.43 mi3.11 mi23242-8213923-4713923-4723475(Top 83%)14005(Top 87%)14005(Top 2192%)
Half13.11 mi0.68 mi23244-213926-313926-323257(Top 82%)13902(Top 86%)13902(Top 2176%)
25K15.53 mi2.42 mi23239+513918+813918+823209(Top 82%)13841(Top 86%)13841(Top 2166%)
30K18.64 mi3.11 mi23157+8213819+9913819+9923008(Top 81%)13620(Top 85%)13620(Top 2131%)
20M20.00 mi1.36 mi23084+7313763+5613763+5622250(Top 78%)13161(Top 82%)13161(Top 2060%)
21M21.00 mi1.00 mi23010+7413718+4513718+4521946(Top 77%)12950(Top 80%)12950(Top 2027%)
35K21.75 mi0.75 mi22940+7013670+4813670+4820896(Top 74%)12401(Top 77%)12401(Top 1941%)
23M23.00 mi1.25 mi22831+10913598+7213598+7221349(Top 75%)12574(Top 78%)12574(Top 1968%)
24M24.00 mi1.00 mi22741+9013540+5813540+5821320(Top 75%)12507(Top 78%)12507(Top 1957%)
40K24.85 mi0.85 mi22672+6913490+5013490+5021234(Top 75%)12398(Top 77%)12398(Top 1940%)
25.2M25.20 mi0.35 mi22659+1313470+2013470+2021794(Top 77%)12691(Top 79%)12691(Top 1986%)
Finish26.22 mi1.02 mi22724-6513487-1713487-1723959(Top 84%)13745(Top 85%)13745(Top 2151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23380

Males

14011

M65-69

14011

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23404

Males

13982

M65-69

13982

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23380

Males

14011

M65-69

14011

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23475

Males

14005

M65-69

14005

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23257

Males

13902

M65-69

13902

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23209

Males

13841

M65-69

13841

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

23008

Males

13620

M65-69

13620

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22250

Males

13161

M65-69

13161

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21946

Males

12950

M65-69

12950

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20896

Males

12401

M65-69

12401

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21349

Males

12574

M65-69

12574

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21320

Males

12507

M65-69

12507

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21234

Males

12398

M65-69

12398

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21794

Males

12691

M65-69

12691

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23959

Males

13745

M65-69

13745

Passing Analysis

Category:
Athletes Passed
1356
Passed By
1622
Net Change
-266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22458
5K → 10K81599-518#22458#22976
10K → 15K120304-184#22976#23160
15K → 20K126208-82#23160#23242
20K → Half3133-2#23242#23244
Half → 25K130125+5#23244#23239
25K → 30K210128+82#23239#23157
30K → 20M10936+73#23157#23084
20M → 21M10834+74#23084#23010
21M → 35K8212+70#23010#22940
35K → 23M12112+109#22940#22831
23M → 24M10212+90#22831#22741
24M → 40K8415+69#22741#22672
40K → 25.2M2916+13#22672#22659
25.2M → Finish2388-65#22659#22724
TOTALS13561622-266
📊

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