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BOSTON MARATHON 2025

Christo Oosthuizen

Bib: 4971•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M55-59)
#0 / 1648
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:05
Rank: #3577
Start → 5K
20:05 | 6:28/mi
10K· 6.21 mi
40:15
Rank: #3623 (-46)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:21
Rank: #3511 (+112)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:20:52
Rank: #3567 (-56)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:25:21
Rank: #3601 (-34)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:20
Rank: #3531 (+70)
Half → 25K
15:59 | 6:36/mi
30K· 18.64 mi
2:02:42
Rank: #3558 (-27)
25K → 30K
21:22 | 6:53/mi
20M
2:12:13
Rank: #3551 (+7)
30K → 20M
9:31 | 7:00/mi
21M
2:19:40
Rank: #3559 (-8)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:24:40
Rank: #3523 (+36)
21M → 35K
5:00 | 6:41/mi
23M
2:33:21
Rank: #3457 (+66)
35K → 23M
8:41 | 6:56/mi
24M
2:40:04
Rank: #3404 (+53)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:45:56
Rank: #3362 (+42)
24M → 40K
5:52 | 6:52/mi
25.2M
2:48:32
Rank: #3357 (+5)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:55:20
Rank: #3320 (+37)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:29:59
Pace6:52 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5020:056:2820:05
6:28
-
10K
6.21 mi10:44:0040:156:2920:10
6:29
+0:01
15K
9.32 mi11:04:061:00:216:2820:06
6:28
-0:01
20K
12.43 mi11:24:371:20:526:3020:31
6:36
+0:08
Half
13.11 mi11:29:061:25:216:314:29
6:34
-0:02
25K
15.53 mi11:45:051:41:206:3115:59
6:36
+0:02
30K
18.64 mi12:06:272:02:426:3521:22
6:53
+0:17
20M
20.00 mi12:15:582:12:136:379:31
7:00
+0:07
21M
21.00 mi12:23:252:19:406:397:27
7:27
+0:27
35K
21.75 mi12:28:252:24:406:395:00
6:41
-0:46
23M
23.00 mi12:37:062:33:216:408:41
6:56
+0:15
24M
24.00 mi12:43:492:40:046:406:43
6:43
-0:13
40K
24.85 mi12:49:412:45:566:415:52
6:52
+0:09
25.2M
25.20 mi12:52:172:48:326:412:36
7:32
+0:40
Finish
26.22 mi12:59:052:55:206:426:48
6:40
-0:52

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

6:28 /mi

Average Pace

6:42 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:17

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:23:5020:056:2820:05
6:28
#3577
10K
6.21 mi10:44:0040:156:2920:10
6:29
#3623
15K
9.32 mi11:04:061:00:216:2820:06
6:28
#3511
20K
12.43 mi11:24:371:20:526:3020:31
6:36
#3567
Half
13.11 mi11:29:061:25:216:314:29
6:34
#3601
25K
15.53 mi11:45:051:41:206:3115:59
6:36
#3531
30K
18.64 mi12:06:272:02:426:3521:22
6:53
#3558
20M
20.00 mi12:15:582:12:136:379:31
7:00
#3551
21M
21.00 mi12:23:252:19:406:397:27
7:27
#3559
35K
21.75 mi12:28:252:24:406:395:00
6:41
#3523
23M
23.00 mi12:37:062:33:216:408:41
6:56
#3457
24M
24.00 mi12:43:492:40:046:406:43
6:43
#3404
40K
24.85 mi12:49:412:45:566:415:52
6:52
#3362
25.2M
25.20 mi12:52:172:48:326:412:36
7:32
#3357
Finish
26.22 mi12:59:052:55:206:426:48
6:40
#3320
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi3577339833983379(Top 12%)3206(Top 20%)3206(Top 195%)
10K6.21 mi3.10 mi3623-463435-373435-373662(Top 13%)3461(Top 21%)3461(Top 210%)
15K9.32 mi3.11 mi3511+1123329+1063329+1063379(Top 12%)3206(Top 20%)3206(Top 195%)
20K12.43 mi3.11 mi3567-563379-503379-503725(Top 13%)3518(Top 22%)3518(Top 213%)
Half13.11 mi0.68 mi3601-343410-313410-314189(Top 15%)3928(Top 24%)3928(Top 238%)
25K15.53 mi2.42 mi3531+703342+683342+683423(Top 12%)3232(Top 20%)3232(Top 196%)
30K18.64 mi3.11 mi3558-273362-203362-203933(Top 14%)3622(Top 22%)3622(Top 220%)
20M20.00 mi1.36 mi3551+73351+113351+114125(Top 15%)3778(Top 23%)3778(Top 229%)
21M21.00 mi1.00 mi3559-83358-73358-74358(Top 15%)3902(Top 24%)3902(Top 237%)
35K21.75 mi0.75 mi3523+363321+373321+373424(Top 12%)3123(Top 19%)3123(Top 190%)
23M23.00 mi1.25 mi3457+663255+663255+663418(Top 12%)3106(Top 19%)3106(Top 188%)
24M24.00 mi1.00 mi3404+533202+533202+533077(Top 11%)2790(Top 17%)2790(Top 169%)
40K24.85 mi0.85 mi3362+423160+423160+423166(Top 11%)2839(Top 18%)2839(Top 172%)
25.2M25.20 mi0.35 mi3357+53149+113149+113589(Top 13%)3133(Top 19%)3133(Top 190%)
Finish26.22 mi1.02 mi3320+373109+403109+403735(Top 13%)3240(Top 20%)3240(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3379

Males

3206

M55-59

3206

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3662

Males

3461

M55-59

3461

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3379

Males

3206

M55-59

3206

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3725

Males

3518

M55-59

3518

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4189

Males

3928

M55-59

3928

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3423

Males

3232

M55-59

3232

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3933

Males

3622

M55-59

3622

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4125

Males

3778

M55-59

3778

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4358

Males

3902

M55-59

3902

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3424

Males

3123

M55-59

3123

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3418

Males

3106

M55-59

3106

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3077

Males

2790

M55-59

2790

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3166

Males

2839

M55-59

2839

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3589

Males

3133

M55-59

3133

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3735

Males

3240

M55-59

3240

Passing Analysis

Category:
Athletes Passed
1052
Passed By
795
Net Change
+257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3577
5K → 10K109155-46#3577#3623
10K → 15K16250+112#3623#3511
15K → 20K81137-56#3511#3567
20K → Half1044-34#3567#3601
Half → 25K11343+70#3601#3531
25K → 30K96123-27#3531#3558
30K → 20M6457+7#3558#3551
20M → 21M4048-8#3551#3559
21M → 35K5721+36#3559#3523
35K → 23M9731+66#3523#3457
23M → 24M7522+53#3457#3404
24M → 40K6220+42#3404#3362
40K → 25.2M2621+5#3362#3357
25.2M → Finish6023+37#3357#3320
TOTALS1052795+257
📊

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