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BOSTON MARATHON 2023

Joachim Ix

Bib: 12156•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 39%
Division (M45-49)
#0 / 2252
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
7:33/mi
23:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
46:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:09:18
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:38:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:56:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:20:48
↑ 181↓ 1480.2%
20M
7:54/mi
2:31:32
↑ 64↓ 500.2%
21M
8:07/mi
2:39:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:45:18
↑ 17↓ 861.7%
23M
7:59/mi
2:55:18
↑ 23↓ 630.6%
24M
7:53/mi
3:03:11
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:10:06
↓ 200.3%
25.2M
8:42/mi
3:13:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:21:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:43:04
Pace7:52 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1023:277:3323:27
7:33
-
10K
6.21 mi11:13:5446:117:2622:44
7:19
-0:14
15K
9.32 mi11:37:011:09:187:2623:07
7:26
+0:07
20K
12.43 mi12:00:511:33:087:3023:50
7:40
+0:14
Half
13.11 mi12:05:531:38:107:295:02
7:23
-0:17
25K
15.53 mi12:24:111:56:287:3018:18
7:33
+0:10
30K
18.64 mi12:48:312:20:487:3324:20
7:50
+0:17
20M
20.00 mi12:59:152:31:327:3510:44
7:54
+0:04
21M
21.00 mi13:07:222:39:397:368:07
8:07
+0:13
35K
21.75 mi13:13:012:45:187:365:39
7:33
-0:34
23M
23.00 mi13:23:012:55:187:3710:00
7:59
+0:26
24M
24.00 mi13:30:543:03:117:387:53
7:53
-0:06
40K
24.85 mi13:37:493:10:067:396:55
8:05
+0:12
25.2M
25.20 mi13:40:493:13:067:403:00
8:42
+0:37
Finish
26.22 mi13:48:573:21:147:418:08
7:59
-0:43

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

7:19 /mi

Average Pace

7:41 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:12

91% of race

Time at Steady Pace

15:02

7% of race

Time at Slower Pace

3:00

1% of race

Average Pace: 7:40 /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 mi10:51:1023:277:3323:27
7:33
#10046
10K
6.21 mi11:13:5446:117:2622:44
7:19
#9437
15K
9.32 mi11:37:011:09:187:2623:07
7:26
#9478
20K
12.43 mi12:00:511:33:087:3023:50
7:40
#9769
Half
13.11 mi12:05:531:38:107:295:02
7:23
#9743
25K
15.53 mi12:24:111:56:287:3018:18
7:33
#9628
30K
18.64 mi12:48:312:20:487:3324:20
7:50
#9614
20M
20.00 mi12:59:152:31:327:3510:44
7:54
#9579
21M
21.00 mi13:07:222:39:397:368:07
8:07
#9451
35K
21.75 mi13:13:012:45:187:365:39
7:33
#9405
23M
23.00 mi13:23:012:55:187:3710:00
7:59
#9386
24M
24.00 mi13:30:543:03:117:387:53
7:53
#9412
40K
24.85 mi13:37:493:10:067:396:55
8:05
#9438
25.2M
25.20 mi13:40:493:13:067:403:00
8:42
#9427
Finish
26.22 mi13:48:573:21:147:418:08
7:59
#9514
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10046815081509681(Top 36%)7967(Top 52%)7967(Top 354%)
10K6.21 mi3.10 mi9437+6097841+3097841+3098974(Top 34%)7569(Top 50%)7569(Top 336%)
15K9.32 mi3.11 mi9478-417859-187859-189681(Top 36%)7967(Top 52%)7967(Top 354%)
20K12.43 mi3.11 mi9769-2918020-1618020-16110665(Top 40%)8409(Top 55%)8409(Top 373%)
Half13.11 mi0.68 mi9743+268004+168004+169208(Top 35%)7643(Top 50%)7643(Top 339%)
25K15.53 mi2.42 mi9628+1157918+867918+869128(Top 34%)7513(Top 50%)7513(Top 334%)
30K18.64 mi3.11 mi9614+147882+367882+369599(Top 36%)7620(Top 50%)7620(Top 338%)
20M20.00 mi1.36 mi9579+357826+567826+569539(Top 36%)7492(Top 49%)7492(Top 333%)
21M21.00 mi1.00 mi9451+1287725+1017725+1018111(Top 30%)6547(Top 43%)6547(Top 291%)
35K21.75 mi0.75 mi9405+467679+467679+468893(Top 33%)7017(Top 46%)7017(Top 312%)
23M23.00 mi1.25 mi9386+197650+297650+299631(Top 36%)7304(Top 48%)7304(Top 324%)
24M24.00 mi1.00 mi9412-267633+177633+1710383(Top 39%)7592(Top 50%)7592(Top 337%)
40K24.85 mi0.85 mi9438-267620+137620+1310614(Top 40%)7655(Top 50%)7655(Top 340%)
25.2M25.20 mi0.35 mi9427+117602+187602+1810691(Top 40%)7648(Top 50%)7648(Top 340%)
Finish26.22 mi1.02 mi9514-877630-287630-2811949(Top 45%)8247(Top 54%)8247(Top 366%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9681

Males

7967

M45-49

7967

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8974

Males

7569

M45-49

7569

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9681

Males

7967

M45-49

7967

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10665

Males

8409

M45-49

8409

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9208

Males

7643

M45-49

7643

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9128

Males

7513

M45-49

7513

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9599

Males

7620

M45-49

7620

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9539

Males

7492

M45-49

7492

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8111

Males

6547

M45-49

6547

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8893

Males

7017

M45-49

7017

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9631

Males

7304

M45-49

7304

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10383

Males

7592

M45-49

7592

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10614

Males

7655

M45-49

7655

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10691

Males

7648

M45-49

7648

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11949

Males

8247

M45-49

8247

Passing Analysis

Category:
Athletes Passed
1911*
Passed By
1379
Net Change
+532
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10046
5K → 10K696*87+609#10046#9437
10K → 15K140181-41#9437#9478
15K → 20K75366-291#9478#9769
20K → Half5125+26#9769#9743
Half → 25K17257+115#9743#9628
25K → 30K175*161+14#9628#9614
30K → 20M10267+35#9614#9579
20M → 21M15123+128#9579#9451
21M → 35K7428+46#9451#9405
35K → 23M9273+19#9405#9386
23M → 24M6389-26#9386#9412
24M → 40K5682-26#9412#9438
40K → 25.2M3221+11#9438#9427
25.2M → Finish32119-87#9427#9514
TOTALS1911*1379+532

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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