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BOSTON MARATHON 2025

Ronald Andersen

Bib: 23120•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
8:23/mi
26:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
52:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:19:04
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:48:54
↑ 106↓ 860.1%
Half· 13.11 mi
9:01/mi
1:55:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:17:48
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:47:28
↑ 181↓ 1480.2%
20M
10:40/mi
3:01:58
↑ 64↓ 500.2%
21M
11:01/mi
3:12:59
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:20:11
↑ 17↓ 861.7%
23M
9:33/mi
3:32:08
↑ 23↓ 630.6%
24M
9:15/mi
3:41:23
↓ 821.3%
40K· 24.85 mi
10:07/mi
3:50:02
↓ 200.3%
25.2M
11:21/mi
3:53:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:35/mi
4:03:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:03
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:08:40
Pace9:49 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3126:028:2326:02
8:23
-
10K
6.21 mi11:49:5152:228:2626:20
8:29
+0:06
15K
9.32 mi12:16:331:19:048:2926:42
8:36
+0:07
20K
12.43 mi12:46:231:48:548:4629:50
9:36
+1:00
Half
13.11 mi12:52:321:55:038:476:09
9:01
-0:35
25K
15.53 mi13:15:172:17:488:5222:45
9:23
+0:22
30K
18.64 mi13:44:572:47:288:5929:40
9:33
+0:10
20M
20.00 mi13:59:273:01:589:0614:30
10:40
+1:07
21M
21.00 mi14:10:283:12:599:1111:01
11:01
+0:21
35K
21.75 mi14:17:403:20:119:127:12
9:37
-1:24
23M
23.00 mi14:29:373:32:089:1311:57
9:33
-0:04
24M
24.00 mi14:38:523:41:239:139:15
9:15
-0:18
40K
24.85 mi14:47:313:50:029:158:39
10:07
+0:52
25.2M
25.20 mi14:51:263:53:579:173:55
11:21
+1:14
Finish
26.22 mi15:01:124:03:439:189:46
9:35
-1:46

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

8:23 /mi

Average Pace

9:18 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:13

35% of race

Time at Steady Pace

2:00:25

49% of race

Time at Slower Pace

38:05

16% of race

Average Pace: 9:18 /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 mi11:23:3126:028:2326:02
8:23
#19178
10K
6.21 mi11:49:5152:228:2626:20
8:29
#19402
15K
9.32 mi12:16:331:19:048:2926:42
8:36
#19557
20K
12.43 mi12:46:231:48:548:4629:50
9:36
#20734
Half
13.11 mi12:52:321:55:038:476:09
9:01
#20802
25K
15.53 mi13:15:172:17:488:5222:45
9:23
#20948
30K
18.64 mi13:44:572:47:288:5929:40
9:33
#20789
20M
20.00 mi13:59:273:01:589:0614:30
10:40
#21018
21M
21.00 mi14:10:283:12:599:1111:01
11:01
#21074
35K
21.75 mi14:17:403:20:119:127:12
9:37
#21047
23M
23.00 mi14:29:373:32:089:1311:57
9:33
#20927
24M
24.00 mi14:38:523:41:239:139:15
9:15
#20832
40K
24.85 mi14:47:313:50:029:158:39
10:07
#20841
25.2M
25.20 mi14:51:263:53:579:173:55
11:21
#20845
Finish
26.22 mi15:01:124:03:439:189:46
9:35
#20850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19178121161211619887(Top 70%)12451(Top 77%)12451(Top 989%)
10K6.21 mi3.10 mi19402-22412223-10712223-10719655(Top 69%)12326(Top 77%)12326(Top 979%)
15K9.32 mi3.11 mi19557-15512293-7012293-7019887(Top 70%)12451(Top 77%)12451(Top 989%)
20K12.43 mi3.11 mi20734-117712788-49512788-49523206(Top 82%)13894(Top 86%)13894(Top 1104%)
Half13.11 mi0.68 mi20802-6812823-3512823-3521852(Top 77%)13276(Top 82%)13276(Top 1054%)
25K15.53 mi2.42 mi20948-14612881-5812881-5821474(Top 76%)13073(Top 81%)13073(Top 1038%)
30K18.64 mi3.11 mi20789+15912753+12812753+12820134(Top 71%)12352(Top 77%)12352(Top 981%)
20M20.00 mi1.36 mi21018-22912849-9612849-9622871(Top 81%)13462(Top 84%)13462(Top 1069%)
21M21.00 mi1.00 mi21074-5612853-412853-421439(Top 75%)12708(Top 79%)12708(Top 1009%)
35K21.75 mi0.75 mi21047+2712831+2212831+2220754(Top 73%)12330(Top 77%)12330(Top 979%)
23M23.00 mi1.25 mi20927+12012748+8312748+8318880(Top 66%)11387(Top 71%)11387(Top 904%)
24M24.00 mi1.00 mi20832+9512692+5612692+5618582(Top 65%)11211(Top 70%)11211(Top 890%)
40K24.85 mi0.85 mi20841-912674+1812674+1820823(Top 73%)12199(Top 76%)12199(Top 969%)
25.2M25.20 mi0.35 mi20845-412662+1212662+1221655(Top 76%)12612(Top 78%)12612(Top 1002%)
Finish26.22 mi1.02 mi20850-512653+912653+921477(Top 76%)12524(Top 78%)12524(Top 995%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19887

Males

12451

M60-64

12451

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19655

Males

12326

M60-64

12326

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19887

Males

12451

M60-64

12451

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23206

Males

13894

M60-64

13894

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21852

Males

13276

M60-64

13276

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21474

Males

13073

M60-64

13073

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20134

Males

12352

M60-64

12352

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22871

Males

13462

M60-64

13462

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21439

Males

12708

M60-64

12708

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20754

Males

12330

M60-64

12330

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18880

Males

11387

M60-64

11387

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18582

Males

11211

M60-64

11211

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20823

Males

12199

M60-64

12199

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21655

Males

12612

M60-64

12612

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21477

Males

12524

M60-64

12524

Passing Analysis

Category:
Athletes Passed
1303
Passed By
2975
Net Change
-1672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19178
5K → 10K159383-224#19178#19402
10K → 15K144299-155#19402#19557
15K → 20K341211-1177#19557#20734
20K → Half1280-68#20734#20802
Half → 25K109255-146#20802#20948
25K → 30K291132+159#20948#20789
30K → 20M40269-229#20789#21018
20M → 21M73129-56#21018#21074
21M → 35K7851+27#21074#21047
35K → 23M14121+120#21047#20927
23M → 24M11217+95#20927#20832
24M → 40K4756-9#20832#20841
40K → 25.2M2933-4#20841#20845
25.2M → Finish3439-5#20845#20850
TOTALS13032975-1672
📊

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