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BOSTON MARATHON 2023

Jeffery Ubersax

Bib: 13582•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M65-69)
#0 / 549
Top 6%
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:24
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:36:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
2:00:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:26:15
↑ 181↓ 1480.2%
20M
8:12/mi
2:37:23
↑ 64↓ 500.2%
21M
8:44/mi
2:46:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:52:09
↑ 17↓ 861.7%
23M
8:18/mi
3:02:32
↑ 23↓ 630.6%
24M
8:07/mi
3:10:39
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:17:39
↓ 200.3%
25.2M
8:48/mi
3:20:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:28:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:55
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:47:03
Pace8:10 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5524:187:4924:18
7:49
-
10K
6.21 mi11:17:0348:267:4824:08
7:46
-0:03
15K
9.32 mi11:41:011:12:247:4623:58
7:43
-0:03
20K
12.43 mi12:05:141:36:377:4624:13
7:48
+0:05
Half
13.11 mi12:10:321:41:557:465:18
7:46
-0:02
25K
15.53 mi12:29:362:00:597:4719:04
7:52
+0:06
30K
18.64 mi12:54:522:26:157:5125:16
8:08
+0:16
20M
20.00 mi13:06:002:37:237:5211:08
8:12
+0:04
21M
21.00 mi13:14:442:46:077:558:44
8:44
+0:32
35K
21.75 mi13:20:462:52:097:556:02
8:04
-0:40
23M
23.00 mi13:31:093:02:327:5610:23
8:18
+0:14
24M
24.00 mi13:39:163:10:397:578:07
8:07
-0:11
40K
24.85 mi13:46:163:17:397:577:00
8:11
+0:04
25.2M
25.20 mi13:49:183:20:417:583:02
8:48
+0:37
Finish
26.22 mi13:57:353:28:587:598:17
8:08
-0:40

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

7:43 /mi

Average Pace

7:59 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:12

94% of race

Time at Steady Pace

11:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:52:5524:187:4924:18
7:49
#12544
10K
6.21 mi11:17:0348:267:4824:08
7:46
#12638
15K
9.32 mi11:41:011:12:247:4623:58
7:43
#12372
20K
12.43 mi12:05:141:36:377:4624:13
7:48
#12157
Half
13.11 mi12:10:321:41:557:465:18
7:46
#12172
25K
15.53 mi12:29:362:00:597:4719:04
7:52
#12079
30K
18.64 mi12:54:522:26:157:5125:16
8:08
#11994
20M
20.00 mi13:06:002:37:237:5211:08
8:12
#11954
21M
21.00 mi13:14:442:46:077:558:44
8:44
#11949
35K
21.75 mi13:20:462:52:097:556:02
8:04
#11963
23M
23.00 mi13:31:093:02:327:5610:23
8:18
#11940
24M
24.00 mi13:39:163:10:397:578:07
8:07
#11937
40K
24.85 mi13:46:163:17:397:577:00
8:11
#11906
25.2M
25.20 mi13:49:183:20:417:583:02
8:48
#11883
Finish
26.22 mi13:57:353:28:587:598:17
8:08
#11944
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi125449339933911948(Top 45%)9059(Top 60%)9059(Top 1650%)
10K6.21 mi3.10 mi12638-949392-539392-5312828(Top 48%)9478(Top 62%)9478(Top 1726%)
15K9.32 mi3.11 mi12372+2669247+1459247+14511948(Top 45%)9059(Top 60%)9059(Top 1650%)
20K12.43 mi3.11 mi12157+2159125+1229125+12211681(Top 44%)8883(Top 59%)8883(Top 1618%)
Half13.11 mi0.68 mi12172-159135-109135-1012382(Top 47%)9218(Top 61%)9218(Top 1679%)
25K15.53 mi2.42 mi12079+939077+589077+5811630(Top 44%)8765(Top 58%)8765(Top 1597%)
30K18.64 mi3.11 mi11994+859005+729005+7211870(Top 45%)8746(Top 58%)8746(Top 1593%)
20M20.00 mi1.36 mi11954+408968+378968+3711635(Top 44%)8540(Top 56%)8540(Top 1556%)
21M21.00 mi1.00 mi11949+58949+198949+1911850(Top 45%)8511(Top 56%)8511(Top 1550%)
35K21.75 mi0.75 mi11963-148946+38946+312540(Top 47%)8791(Top 58%)8791(Top 1601%)
23M23.00 mi1.25 mi11940+238900+468900+4611824(Top 44%)8389(Top 55%)8389(Top 1528%)
24M24.00 mi1.00 mi11937+38877+238877+2312020(Top 45%)8405(Top 55%)8405(Top 1531%)
40K24.85 mi0.85 mi11906+318846+318846+3111254(Top 42%)7959(Top 52%)7959(Top 1450%)
25.2M25.20 mi0.35 mi11883+238829+178829+1711258(Top 42%)7921(Top 52%)7921(Top 1443%)
Finish26.22 mi1.02 mi11944-618836-78836-712944(Top 49%)8741(Top 58%)8741(Top 1592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11948

Males

9059

M65-69

9059

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12828

Males

9478

M65-69

9478

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11948

Males

9059

M65-69

9059

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11681

Males

8883

M65-69

8883

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12382

Males

9218

M65-69

9218

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11630

Males

8765

M65-69

8765

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11870

Males

8746

M65-69

8746

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11635

Males

8540

M65-69

8540

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11850

Males

8511

M65-69

8511

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12540

Males

8791

M65-69

8791

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11824

Males

8389

M65-69

8389

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12020

Males

8405

M65-69

8405

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11254

Males

7959

M65-69

7959

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11258

Males

7921

M65-69

7921

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

12944

Males

8741

M65-69

8741

Passing Analysis

Category:
Athletes Passed
1912
Passed By
1312
Net Change
+600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12544
5K → 10K248342-94#12544#12638
10K → 15K35791+266#12638#12372
15K → 20K28570+215#12372#12157
20K → Half2439-15#12157#12172
Half → 25K17380+93#12172#12079
25K → 30K235150+85#12079#11994
30K → 20M11676+40#11994#11954
20M → 21M9388+5#11954#11949
21M → 35K4559-14#11949#11963
35K → 23M9875+23#11963#11940
23M → 24M6966+3#11940#11937
24M → 40K7847+31#11937#11906
40K → 25.2M4219+23#11906#11883
25.2M → Finish49110-61#11883#11944
TOTALS19121312+600
📊

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