Boston Marathon logo
BOSTON MARATHON 2023

Ronald Lichtenwalner

Bib: 6904•M

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:16
Rank: #5126
Start → 5K
21:16 | 6:51/mi
10K· 6.21 mi
42:13
Rank: #4929 (+197)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:03:09
Rank: #4765 (+164)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:26
Rank: #4793 (-28)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:01
Rank: #4768 (+25)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:31
Rank: #4631 (+137)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:07:25
Rank: #4627 (+4)
25K → 30K
21:54 | 7:03/mi
20M
2:17:08
Rank: #4650 (-23)
30K → 20M
9:43 | 7:09/mi
21M
2:25:09
Rank: #4819 (-169)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:30:39
Rank: #4922 (-103)
21M → 35K
5:30 | 7:21/mi
23M
2:40:54
Rank: #5205 (-283)
35K → 23M
10:15 | 8:11/mi
24M
2:48:38
Rank: #5313 (-108)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
2:55:50
Rank: #5498 (-185)
24M → 40K
7:12 | 8:25/mi
25.2M
2:58:49
Rank: #5540 (-42)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:06:43
Rank: #5634 (-94)
25.2M → Finish
7:54 | 7:45/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:37:42
Pace7:27 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3721:166:5121:16
6:51
-
10K
6.21 mi10:45:3442:136:4820:57
6:45
-0:06
15K
9.32 mi11:06:301:03:096:4720:56
6:44
-0:01
20K
12.43 mi11:27:471:24:266:4821:17
6:51
+0:07
Half
13.11 mi11:32:221:29:016:474:35
6:43
-0:08
25K
15.53 mi11:48:521:45:316:4816:30
6:48
+0:05
30K
18.64 mi12:10:462:07:256:5021:54
7:03
+0:15
20M
20.00 mi12:20:292:17:086:519:43
7:09
+0:06
21M
21.00 mi12:28:302:25:096:558:01
8:01
+0:52
35K
21.75 mi12:34:002:30:396:565:30
7:21
-0:40
23M
23.00 mi12:44:152:40:547:0010:15
8:11
+0:50
24M
24.00 mi12:51:592:48:387:027:44
7:44
-0:27
40K
24.85 mi12:59:112:55:507:047:12
8:25
+0:41
25.2M
25.20 mi13:02:102:58:497:062:59
8:39
+0:14
Finish
26.22 mi13:10:043:06:437:087:54
7:45
-0:54

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

6:43 /mi

Average Pace

7:08 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:58

34% of race

Time at Steady Pace

1:19:40

43% of race

Time at Slower Pace

44:05

24% of race

Average Pace: 7:07 /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 mi10:24:3721:166:5121:16
6:51
#5126
10K
6.21 mi10:45:3442:136:4820:57
6:45
#4929
15K
9.32 mi11:06:301:03:096:4720:56
6:44
#4765
20K
12.43 mi11:27:471:24:266:4821:17
6:51
#4793
Half
13.11 mi11:32:221:29:016:474:35
6:43
#4768
25K
15.53 mi11:48:521:45:316:4816:30
6:48
#4631
30K
18.64 mi12:10:462:07:256:5021:54
7:03
#4627
20M
20.00 mi12:20:292:17:086:519:43
7:09
#4650
21M
21.00 mi12:28:302:25:096:558:01
8:01
#4819
35K
21.75 mi12:34:002:30:396:565:30
7:21
#4922
23M
23.00 mi12:44:152:40:547:0010:15
8:11
#5205
24M
24.00 mi12:51:592:48:387:027:44
7:44
#5313
40K
24.85 mi12:59:112:55:507:047:12
8:25
#5498
25.2M
25.20 mi13:02:102:58:497:062:59
8:39
#5540
Finish
26.22 mi13:10:043:06:437:087:54
7:45
#5634
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5126475147514516(Top 17%)4216(Top 28%)4216(Top 80%)
10K6.21 mi3.10 mi4929+1974573+1784573+1784780(Top 18%)4437(Top 29%)4437(Top 84%)
15K9.32 mi3.11 mi4765+1644433+1404433+1404516(Top 17%)4216(Top 28%)4216(Top 80%)
20K12.43 mi3.11 mi4793-284466-334466-334944(Top 19%)4586(Top 30%)4586(Top 87%)
Half13.11 mi0.68 mi4768+254442+244442+244640(Top 17%)4303(Top 28%)4303(Top 81%)
25K15.53 mi2.42 mi4631+1374318+1244318+1244233(Top 16%)3959(Top 26%)3959(Top 75%)
30K18.64 mi3.11 mi4627+44316+24316+24670(Top 18%)4311(Top 28%)4311(Top 82%)
20M20.00 mi1.36 mi4650-234336-204336-204896(Top 18%)4453(Top 29%)4453(Top 84%)
21M21.00 mi1.00 mi4819-1694476-1404476-1407496(Top 28%)6165(Top 41%)6165(Top 117%)
35K21.75 mi0.75 mi4922-1034563-874563-877557(Top 28%)6201(Top 41%)6201(Top 117%)
23M23.00 mi1.25 mi5205-2834784-2214784-22111150(Top 42%)8034(Top 53%)8034(Top 152%)
24M24.00 mi1.00 mi5313-1084871-874871-879363(Top 35%)7061(Top 47%)7061(Top 134%)
40K24.85 mi0.85 mi5498-1855010-1395010-13912905(Top 48%)8713(Top 57%)8713(Top 165%)
25.2M25.20 mi0.35 mi5540-425043-335043-3310604(Top 40%)7563(Top 50%)7563(Top 143%)
Finish26.22 mi1.02 mi5634-945099-565099-5610386(Top 39%)7471(Top 49%)7471(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4516

Males

4216

M18-39

4216

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4780

Males

4437

M18-39

4437

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4516

Males

4216

M18-39

4216

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4944

Males

4586

M18-39

4586

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4640

Males

4303

M18-39

4303

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4233

Males

3959

M18-39

3959

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4670

Males

4311

M18-39

4311

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4896

Males

4453

M18-39

4453

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7496

Males

6165

M18-39

6165

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7557

Males

6201

M18-39

6201

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11150

Males

8034

M18-39

8034

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9363

Males

7061

M18-39

7061

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12905

Males

8713

M18-39

8713

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10604

Males

7563

M18-39

7563

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10386

Males

7471

M18-39

7471

Passing Analysis

Category:
Athletes Passed
1149
Passed By
1657
Net Change
-508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5126
5K → 10K316119+197#5126#4929
10K → 15K21450+164#4929#4765
15K → 20K89117-28#4765#4793
20K → Half4318+25#4793#4768
Half → 25K17336+137#4768#4631
25K → 30K130126+4#4631#4627
30K → 20M6083-23#4627#4650
20M → 21M17186-169#4650#4819
21M → 35K20123-103#4819#4922
35K → 23M16299-283#4922#5205
23M → 24M23131-108#5205#5313
24M → 40K13198-185#5313#5498
40K → 25.2M749-42#5498#5540
25.2M → Finish28122-94#5540#5634
TOTALS11491657-508
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing