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BOSTON MARATHON 2023

Tom Julius

Bib: 22831•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 38%
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
9:00/mi
27:59
↑ 97↓ 3451.5%
10K· 6.21 mi
9:00/mi
55:57
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:24:00
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:52:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:58:16
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:20:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:48:47
↑ 181↓ 1480.2%
20M
9:11/mi
3:01:16
↑ 64↓ 500.2%
21M
9:35/mi
3:10:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:17:28
↑ 17↓ 861.7%
23M
9:02/mi
3:28:46
↑ 23↓ 630.6%
24M
8:40/mi
3:37:26
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:44:49
↓ 200.3%
25.2M
9:25/mi
3:48:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:56:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:58:16
Pace9:01 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:58:21
Pace9:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2627:599:0027:59
9:00
-
10K
6.21 mi11:50:2455:579:0027:58
9:00
0:00
15K
9.32 mi12:18:271:24:009:0128:03
9:02
+0:02
20K
12.43 mi12:46:361:52:099:0128:09
9:04
+0:02
Half
13.11 mi12:52:431:58:169:016:07
8:58
-0:06
25K
15.53 mi13:14:402:20:139:0221:57
9:03
+0:05
30K
18.64 mi13:43:142:48:479:0328:34
9:12
+0:09
20M
20.00 mi13:55:433:01:169:0412:29
9:11
-0:01
21M
21.00 mi14:05:183:10:519:059:35
9:35
+0:24
35K
21.75 mi14:11:553:17:289:056:37
8:51
-0:44
23M
23.00 mi14:23:133:28:469:0511:18
9:02
+0:11
24M
24.00 mi14:31:533:37:269:048:40
8:40
-0:22
40K
24.85 mi14:39:163:44:499:037:23
8:38
-0:02
25.2M
25.20 mi14:42:313:48:049:033:15
9:25
+0:47
Finish
26.22 mi14:51:043:56:379:028:33
8:23
-1:02

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

9:02 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:47

95% of race

Time at Steady Pace

12:50

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:22:2627:599:0027:59
9:00
#20469
10K
6.21 mi11:50:2455:579:0027:58
9:00
#20667
15K
9.32 mi12:18:271:24:009:0128:03
9:02
#20619
20K
12.43 mi12:46:361:52:099:0128:09
9:04
#20469
Half
13.11 mi12:52:431:58:169:016:07
8:58
#20457
25K
15.53 mi13:14:402:20:139:0221:57
9:03
#20248
30K
18.64 mi13:43:142:48:479:0328:34
9:12
#19846
20M
20.00 mi13:55:433:01:169:0412:29
9:11
#19663
21M
21.00 mi14:05:183:10:519:059:35
9:35
#19459
35K
21.75 mi14:11:553:17:289:056:37
8:51
#19365
23M
23.00 mi14:23:133:28:469:0511:18
9:02
#19200
24M
24.00 mi14:31:533:37:269:048:40
8:40
#19047
40K
24.85 mi14:39:163:44:499:037:23
8:38
#18877
25.2M
25.20 mi14:42:313:48:049:033:15
9:25
#18812
Finish
26.22 mi14:51:043:56:379:028:33
8:23
#18683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20469123501235020617(Top 77%)12574(Top 83%)12574(Top 2290%)
10K6.21 mi3.10 mi20667-19812518-16812518-16820877(Top 78%)12658(Top 83%)12658(Top 2306%)
15K9.32 mi3.11 mi20619+4812515+312515+320617(Top 77%)12574(Top 83%)12574(Top 2290%)
20K12.43 mi3.11 mi20469+15012465+5012465+5019964(Top 75%)12283(Top 81%)12283(Top 2237%)
Half13.11 mi0.68 mi20457+12124651246520274(Top 76%)12419(Top 82%)12419(Top 2262%)
25K15.53 mi2.42 mi20248+20912383+8212383+8219209(Top 72%)11938(Top 79%)11938(Top 2174%)
30K18.64 mi3.11 mi19846+40212183+20012183+20018134(Top 68%)11388(Top 75%)11388(Top 2074%)
20M20.00 mi1.36 mi19663+18312107+7612107+7617475(Top 66%)11020(Top 73%)11020(Top 2007%)
21M21.00 mi1.00 mi19459+20412000+10712000+10716345(Top 61%)10507(Top 69%)10507(Top 1914%)
35K21.75 mi0.75 mi19365+9411959+4111959+4117167(Top 64%)10786(Top 71%)10786(Top 1965%)
23M23.00 mi1.25 mi19200+16511884+7511884+7516173(Top 61%)10320(Top 68%)10320(Top 1880%)
24M24.00 mi1.00 mi19047+15311800+8411800+8415457(Top 58%)9935(Top 65%)9935(Top 1810%)
40K24.85 mi0.85 mi18877+17011722+7811722+7814160(Top 53%)9318(Top 61%)9318(Top 1697%)
25.2M25.20 mi0.35 mi18812+6511680+4211680+4214809(Top 56%)9613(Top 63%)9613(Top 1751%)
Finish26.22 mi1.02 mi18683+12911621+5911621+5914669(Top 55%)9580(Top 63%)9580(Top 1745%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20617

Males

12574

M65-69

12574

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20877

Males

12658

M65-69

12658

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20617

Males

12574

M65-69

12574

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19964

Males

12283

M65-69

12283

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20274

Males

12419

M65-69

12419

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19209

Males

11938

M65-69

11938

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18134

Males

11388

M65-69

11388

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17475

Males

11020

M65-69

11020

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16345

Males

10507

M65-69

10507

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17167

Males

10786

M65-69

10786

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16173

Males

10320

M65-69

10320

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15457

Males

9935

M65-69

9935

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14160

Males

9318

M65-69

9318

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14809

Males

9613

M65-69

9613

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14669

Males

9580

M65-69

9580

Passing Analysis

Category:
Athletes Passed
2543
Passed By
757
Net Change
+1786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20469
5K → 10K206404-198#20469#20667
10K → 15K200152+48#20667#20619
15K → 20K24292+150#20619#20469
20K → Half3220+12#20469#20457
Half → 25K24132+209#20457#20248
25K → 30K41513+402#20248#19846
30K → 20M1874+183#19846#19663
20M → 21M2051+204#19663#19459
21M → 35K10511+94#19459#19365
35K → 23M1738+165#19365#19200
23M → 24M1596+153#19200#19047
24M → 40K1700+170#19047#18877
40K → 25.2M661+65#18877#18812
25.2M → Finish14213+129#18812#18683
TOTALS2543757+1786
📊

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