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BOSTON MARATHON 2023

Mark Iversen

Bib: 22518•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:46
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:46:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:52:41
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:14:36
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:43:19
↑ 181↓ 1480.2%
20M
9:05/mi
2:55:39
↑ 64↓ 500.2%
21M
10:14/mi
3:05:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:12:41
↑ 17↓ 861.7%
23M
9:14/mi
3:24:15
↑ 23↓ 630.6%
24M
9:17/mi
3:33:32
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:41:52
↓ 200.3%
25.2M
10:58/mi
3:45:39
↑ 13↓ 160.2%
Finish· 26.22 mi
10:16/mi
3:56:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:41
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:03:26
Pace9:25 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0426:308:3226:30
8:32
-
10K
6.21 mi11:49:4353:098:3326:39
8:35
+0:03
15K
9.32 mi12:16:201:19:468:3326:37
8:34
-0:01
20K
12.43 mi12:43:261:46:528:3627:06
8:43
+0:09
Half
13.11 mi12:49:151:52:418:365:49
8:32
-0:11
25K
15.53 mi13:11:102:14:368:4021:55
9:02
+0:30
30K
18.64 mi13:39:532:43:198:4628:43
9:15
+0:13
20M
20.00 mi13:52:132:55:398:4712:20
9:05
-0:10
21M
21.00 mi14:02:273:05:538:5110:14
10:14
+1:09
35K
21.75 mi14:09:153:12:418:526:48
9:05
-1:09
23M
23.00 mi14:20:493:24:158:5311:34
9:14
+0:09
24M
24.00 mi14:30:063:33:328:549:17
9:17
+0:03
40K
24.85 mi14:38:263:41:528:568:20
9:45
+0:28
25.2M
25.20 mi14:42:133:45:398:573:47
10:58
+1:13
Finish
26.22 mi14:52:413:56:079:0110:28
10:16
-0:42

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

8:32 /mi

Average Pace

9:01 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:41

48% of race

Time at Steady Pace

1:30:37

38% of race

Time at Slower Pace

32:49

14% of race

Average Pace: 9:00 /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 mi11:23:0426:308:3226:30
8:32
#17749
10K
6.21 mi11:49:4353:098:3326:39
8:35
#18216
15K
9.32 mi12:16:201:19:468:3326:37
8:34
#18212
20K
12.43 mi12:43:261:46:528:3627:06
8:43
#18201
Half
13.11 mi12:49:151:52:418:365:49
8:32
#18183
25K
15.53 mi13:11:102:14:368:4021:55
9:02
#18369
30K
18.64 mi13:39:532:43:198:4628:43
9:15
#18339
20M
20.00 mi13:52:132:55:398:4712:20
9:05
#18224
21M
21.00 mi14:02:273:05:538:5110:14
10:14
#18288
35K
21.75 mi14:09:153:12:418:526:48
9:05
#18270
23M
23.00 mi14:20:493:24:158:5311:34
9:14
#18209
24M
24.00 mi14:30:063:33:328:549:17
9:17
#18227
40K
24.85 mi14:38:263:41:528:568:20
9:45
#18291
25.2M
25.20 mi14:42:133:45:398:573:47
10:58
#18342
Finish
26.22 mi14:52:413:56:079:0110:28
10:16
#18578
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17749113311133118238(Top 69%)11581(Top 76%)11581(Top 1043%)
10K6.21 mi3.10 mi18216-46711547-21611547-21618705(Top 70%)11781(Top 78%)11781(Top 1061%)
15K9.32 mi3.11 mi18212+411545+211545+218238(Top 69%)11581(Top 76%)11581(Top 1043%)
20K12.43 mi3.11 mi18201+1111550-511550-518245(Top 69%)11585(Top 76%)11585(Top 1044%)
Half13.11 mi0.68 mi18183+1811540+1011540+1017827(Top 67%)11433(Top 75%)11433(Top 1030%)
25K15.53 mi2.42 mi18369-18611601-6111601-6119149(Top 72%)11912(Top 78%)11912(Top 1073%)
30K18.64 mi3.11 mi18339+3011553+4811553+4818360(Top 69%)11493(Top 76%)11493(Top 1035%)
20M20.00 mi1.36 mi18224+11511487+6611487+6616915(Top 64%)10797(Top 71%)10797(Top 973%)
21M21.00 mi1.00 mi18288-6411499-1211499-1218807(Top 71%)11554(Top 76%)11554(Top 1041%)
35K21.75 mi0.75 mi18270+1811490+911490+918253(Top 69%)11255(Top 74%)11255(Top 1014%)
23M23.00 mi1.25 mi18209+6111457+3311457+3317237(Top 65%)10798(Top 71%)10798(Top 973%)
24M24.00 mi1.00 mi18227-1811451+611451+618384(Top 69%)11261(Top 74%)11261(Top 1015%)
40K24.85 mi0.85 mi18291-6411460-911460-919168(Top 72%)11565(Top 76%)11565(Top 1042%)
25.2M25.20 mi0.35 mi18342-5111483-2311483-2320356(Top 76%)12083(Top 80%)12083(Top 1089%)
Finish26.22 mi1.02 mi18578-23611575-9211575-9222447(Top 84%)13066(Top 86%)13066(Top 1177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18238

Males

11581

M60-64

11581

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18705

Males

11781

M60-64

11781

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18238

Males

11581

M60-64

11581

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18245

Males

11585

M60-64

11585

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17827

Males

11433

M60-64

11433

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19149

Males

11912

M60-64

11912

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18360

Males

11493

M60-64

11493

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16915

Males

10797

M60-64

10797

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18807

Males

11554

M60-64

11554

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18253

Males

11255

M60-64

11255

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17237

Males

10798

M60-64

10798

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18384

Males

11261

M60-64

11261

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19168

Males

11565

M60-64

11565

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20356

Males

12083

M60-64

12083

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22447

Males

13066

M60-64

13066

Passing Analysis

Category:
Athletes Passed
1268
Passed By
2097
Net Change
-829
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17749
5K → 10K131598-467#17749#18216
10K → 15K182178+4#18216#18212
15K → 20K171160+11#18212#18201
20K → Half4123+18#18201#18183
Half → 25K68254-186#18183#18369
25K → 30K196166+30#18369#18339
30K → 20M14328+115#18339#18224
20M → 21M75139-64#18224#18288
21M → 35K5234+18#18288#18270
35K → 23M11049+61#18270#18209
23M → 24M4664-18#18209#18227
24M → 40K3397-64#18227#18291
40K → 25.2M1061-51#18291#18342
25.2M → Finish10246-236#18342#18578
TOTALS12682097-829
📊

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