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BOSTON MARATHON 2025

Ivar Pedersen

Bib: 30167•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:22
Rank: #22954
Start → 5K
28:22 | 9:08/mi
10K· 6.21 mi
57:32
Rank: #23415 (-461)
5K → 10K
29:10 | 9:23/mi
15K· 9.32 mi
1:25:52
Rank: #23154 (+261)
10K → 15K
28:20 | 9:07/mi
20K· 12.43 mi
1:53:54
Rank: #22647 (+507)
15K → 20K
28:02 | 9:01/mi
Half· 13.11 mi
1:59:48
Rank: #22520 (+127)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:22:04
Rank: #22216 (+304)
Half → 25K
22:16 | 9:11/mi
30K· 18.64 mi
2:53:43
Rank: #22232 (-16)
25K → 30K
31:39 | 10:11/mi
20M
3:06:44
Rank: #22026 (+206)
30K → 20M
13:01 | 9:35/mi
21M
3:16:59
Rank: #21850 (+176)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:24:32
Rank: #21849 (+1)
21M → 35K
7:33 | 10:06/mi
23M
3:37:55
Rank: #21873 (-24)
35K → 23M
13:23 | 10:41/mi
24M
3:48:51
Rank: #21974 (-101)
23M → 24M
10:56 | 10:56/mi
40K· 24.85 mi
4:01:42
Rank: #22445 (-471)
24M → 40K
12:51 | 15:02/mi
25.2M
4:07:21
Rank: #22646 (-201)
40K → 25.2M
5:39 | 16:23/mi
Finish· 26.22 mi
4:21:24
Rank: #23112 (-466)
25.2M → Finish
14:03 | 13:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:48
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:21:36
Pace10:48 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4428:229:0828:22
9:08
-
10K
6.21 mi12:23:5457:329:1629:10
9:23
+0:15
15K
9.32 mi12:52:141:25:529:1328:20
9:07
-0:16
20K
12.43 mi13:20:161:53:549:1028:02
9:01
-0:06
Half
13.11 mi13:26:101:59:489:085:54
8:39
-0:22
25K
15.53 mi13:48:262:22:049:0922:16
9:11
+0:32
30K
18.64 mi14:20:052:53:439:1931:39
10:11
+1:00
20M
20.00 mi14:33:063:06:449:2013:01
9:35
-0:36
21M
21.00 mi14:43:213:16:599:2310:15
10:15
+0:40
35K
21.75 mi14:50:543:24:329:247:33
10:06
-0:09
23M
23.00 mi15:04:173:37:559:2813:23
10:41
+0:35
24M
24.00 mi15:15:133:48:519:3210:56
10:56
+0:15
40K
24.85 mi15:28:044:01:429:4312:51
15:02
+4:06
25.2M
25.20 mi15:33:434:07:219:495:39
16:23
+1:21
Finish
26.22 mi15:47:464:21:249:5914:03
13:47
-2:36

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

8:39 /mi

Average Pace

9:59 /mi

Slowest Pace

16:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:54

2% of race

Time at Steady Pace

3:42:57

85% of race

Time at Slower Pace

32:33

12% of race

Average Pace: 9:58 /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 mi11:54:4428:229:0828:22
9:08
#22954
10K
6.21 mi12:23:5457:329:1629:10
9:23
#23415
15K
9.32 mi12:52:141:25:529:1328:20
9:07
#23154
20K
12.43 mi13:20:161:53:549:1028:02
9:01
#22647
Half
13.11 mi13:26:101:59:489:085:54
8:39
#22520
25K
15.53 mi13:48:262:22:049:0922:16
9:11
#22216
30K
18.64 mi14:20:052:53:439:1931:39
10:11
#22232
20M
20.00 mi14:33:063:06:449:2013:01
9:35
#22026
21M
21.00 mi14:43:213:16:599:2310:15
10:15
#21850
35K
21.75 mi14:50:543:24:329:247:33
10:06
#21849
23M
23.00 mi15:04:173:37:559:2813:23
10:41
#21873
24M
24.00 mi15:15:133:48:519:3210:56
10:56
#21974
40K
24.85 mi15:28:044:01:429:4312:51
15:02
#22445
25.2M
25.20 mi15:33:434:07:219:495:39
16:23
#22646
Finish
26.22 mi15:47:464:21:249:5914:03
13:47
#23112
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22954137491374922535(Top 79%)13621(Top 85%)13621(Top 571%)
10K6.21 mi3.10 mi23415-46113979-23013979-23023790(Top 84%)14167(Top 88%)14167(Top 594%)
15K9.32 mi3.11 mi23154+26113873+10613873+10622535(Top 79%)13621(Top 85%)13621(Top 571%)
20K12.43 mi3.11 mi22647+50713657+21613657+21621094(Top 74%)12929(Top 80%)12929(Top 542%)
Half13.11 mi0.68 mi22520+12713585+7213585+7220056(Top 71%)12497(Top 78%)12497(Top 524%)
25K15.53 mi2.42 mi22216+30413438+14713438+14720700(Top 73%)12723(Top 79%)12723(Top 533%)
30K18.64 mi3.11 mi22232-1613420+1813420+1822159(Top 78%)13247(Top 82%)13247(Top 555%)
20M20.00 mi1.36 mi22026+20613314+10613314+10619522(Top 69%)11940(Top 74%)11940(Top 500%)
21M21.00 mi1.00 mi21850+17613213+10113213+10119189(Top 68%)11711(Top 73%)11711(Top 491%)
35K21.75 mi0.75 mi21849+113195+1813195+1822148(Top 78%)12985(Top 81%)12985(Top 544%)
23M23.00 mi1.25 mi21873-2413171+2413171+2422499(Top 79%)13106(Top 81%)13106(Top 549%)
24M24.00 mi1.00 mi21974-10113193-2213193-2223845(Top 84%)13744(Top 85%)13744(Top 576%)
40K24.85 mi0.85 mi22445-47113385-19213385-19227774(Top 98%)15703(Top 98%)15703(Top 658%)
25.2M25.20 mi0.35 mi22646-20113461-7613461-7627862(Top 98%)15738(Top 98%)15738(Top 660%)
Finish26.22 mi1.02 mi23112-46613671-21013671-21027974(Top 98%)15822(Top 98%)15822(Top 663%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22535

Males

13621

M45-49

13621

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23790

Males

14167

M45-49

14167

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22535

Males

13621

M45-49

13621

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21094

Males

12929

M45-49

12929

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20056

Males

12497

M45-49

12497

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20700

Males

12723

M45-49

12723

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22159

Males

13247

M45-49

13247

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19522

Males

11940

M45-49

11940

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19189

Males

11711

M45-49

11711

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22148

Males

12985

M45-49

12985

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22499

Males

13106

M45-49

13106

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23845

Males

13744

M45-49

13744

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27774

Males

15703

M45-49

15703

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27862

Males

15738

M45-49

15738

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27974

Males

15822

M45-49

15822

Passing Analysis

Category:
Athletes Passed
2140
Passed By
2298
Net Change
-158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22954
5K → 10K86547-461#22954#23415
10K → 15K33574+261#23415#23154
15K → 20K51912+507#23154#22647
20K → Half1292+127#22647#22520
Half → 25K32723+304#22520#22216
25K → 30K191207-16#22216#22232
30K → 20M21610+206#22232#22026
20M → 21M1837+176#22026#21850
21M → 35K4746+1#21850#21849
35K → 23M76100-24#21849#21873
23M → 24M24125-101#21873#21974
24M → 40K4475-471#21974#22445
40K → 25.2M0201-201#22445#22646
25.2M → Finish3469-466#22646#23112
TOTALS21402298-158
📊

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