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BOSTON MARATHON 2023

Andrew Tachias

Bib: 3065•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
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
20:32
Rank: #2931
Start → 5K
20:32 | 6:37/mi
10K· 6.21 mi
40:49
Rank: #2931
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:01:04
Rank: #2834 (+97)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:21:22
Rank: #2720 (+114)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:25:46
Rank: #2700 (+20)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:54
Rank: #2742 (-42)
Half → 25K
16:08 | 6:39/mi
30K· 18.64 mi
2:03:23
Rank: #2850 (-108)
25K → 30K
21:29 | 6:55/mi
20M
2:13:02
Rank: #2944 (-94)
30K → 20M
9:39 | 7:06/mi
21M
2:20:50
Rank: #3136 (-192)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:26:00
Rank: #3177 (-41)
21M → 35K
5:10 | 6:54/mi
23M
2:36:03
Rank: #3602 (-425)
35K → 23M
10:03 | 8:02/mi
24M
2:44:19
Rank: #4147 (-545)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
2:51:32
Rank: #4486 (-339)
24M → 40K
7:13 | 8:26/mi
25.2M
2:54:30
Rank: #4564 (-78)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:02:45
Rank: #4778 (-214)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4720:326:3720:32
6:37
-
10K
6.21 mi10:42:0440:496:3420:17
6:32
-0:05
15K
9.32 mi11:02:191:01:046:3320:15
6:31
-0:01
20K
12.43 mi11:22:371:21:226:3320:18
6:32
+0:01
Half
13.11 mi11:27:011:25:466:334:24
6:27
-0:05
25K
15.53 mi11:43:091:41:546:3416:08
6:39
+0:12
30K
18.64 mi12:04:382:03:236:3721:29
6:55
+0:16
20M
20.00 mi12:14:172:13:026:399:39
7:06
+0:11
21M
21.00 mi12:22:052:20:506:427:48
7:48
+0:42
35K
21.75 mi12:27:152:26:006:435:10
6:54
-0:54
23M
23.00 mi12:37:182:36:036:4710:03
8:02
+1:08
24M
24.00 mi12:45:342:44:196:518:16
8:16
+0:14
40K
24.85 mi12:52:472:51:326:547:13
8:26
+0:10
25.2M
25.20 mi12:55:452:54:306:552:58
8:36
+0:10
Finish
26.22 mi13:04:003:02:456:598:15
8:06
-0:30

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

6:27 /mi

Average Pace

6:59 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:39

13% of race

Time at Steady Pace

1:53:33

62% of race

Time at Slower Pace

44:33

24% of race

Average Pace: 6:58 /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 mi10:21:4720:326:3720:32
6:37
#2931
10K
6.21 mi10:42:0440:496:3420:17
6:32
#2931
15K
9.32 mi11:02:191:01:046:3320:15
6:31
#2834
20K
12.43 mi11:22:371:21:226:3320:18
6:32
#2720
Half
13.11 mi11:27:011:25:466:334:24
6:27
#2700
25K
15.53 mi11:43:091:41:546:3416:08
6:39
#2742
30K
18.64 mi12:04:382:03:236:3721:29
6:55
#2850
20M
20.00 mi12:14:172:13:026:399:39
7:06
#2944
21M
21.00 mi12:22:052:20:506:427:48
7:48
#3136
35K
21.75 mi12:27:152:26:006:435:10
6:54
#3177
23M
23.00 mi12:37:182:36:036:4710:03
8:02
#3602
24M
24.00 mi12:45:342:44:196:518:16
8:16
#4147
40K
24.85 mi12:52:472:51:326:547:13
8:26
#4486
25.2M
25.20 mi12:55:452:54:306:552:58
8:36
#4564
Finish
26.22 mi13:04:003:02:456:598:15
8:06
#4778
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2931278527852750(Top 10%)2627(Top 17%)2627(Top 50%)
10K6.21 mi3.10 mi29312797-122797-122966(Top 11%)2834(Top 19%)2834(Top 54%)
15K9.32 mi3.11 mi2834+972706+912706+912750(Top 10%)2627(Top 17%)2627(Top 50%)
20K12.43 mi3.11 mi2720+1142599+1072599+1072493(Top 9%)2388(Top 16%)2388(Top 45%)
Half13.11 mi0.68 mi2700+202580+192580+192535(Top 10%)2434(Top 16%)2434(Top 46%)
25K15.53 mi2.42 mi2742-422619-392619-393044(Top 11%)2902(Top 19%)2902(Top 55%)
30K18.64 mi3.11 mi2850-1082725-1062725-1063770(Top 14%)3536(Top 23%)3536(Top 67%)
20M20.00 mi1.36 mi2944-942810-852810-854626(Top 17%)4245(Top 28%)4245(Top 80%)
21M21.00 mi1.00 mi3136-1922977-1672977-1676138(Top 23%)5286(Top 35%)5286(Top 100%)
35K21.75 mi0.75 mi3177-413013-363013-364798(Top 18%)4334(Top 29%)4334(Top 82%)
23M23.00 mi1.25 mi3602-4253401-3883401-3889894(Top 37%)7409(Top 49%)7409(Top 140%)
24M24.00 mi1.00 mi4147-5453884-4833884-48313000(Top 49%)8835(Top 58%)8835(Top 167%)
40K24.85 mi0.85 mi4486-3394181-2974181-29712911(Top 48%)8717(Top 57%)8717(Top 165%)
25.2M25.20 mi0.35 mi4564-784245-644245-6410051(Top 38%)7285(Top 48%)7285(Top 138%)
Finish26.22 mi1.02 mi4778-2144413-1684413-16812696(Top 48%)8611(Top 57%)8611(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2750

Males

2627

M18-39

2627

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2966

Males

2834

M18-39

2834

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2750

Males

2627

M18-39

2627

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2493

Males

2388

M18-39

2388

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2535

Males

2434

M18-39

2434

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3044

Males

2902

M18-39

2902

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3770

Males

3536

M18-39

3536

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4626

Males

4245

M18-39

4245

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6138

Males

5286

M18-39

5286

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4798

Males

4334

M18-39

4334

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9894

Males

7409

M18-39

7409

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13000

Males

8835

M18-39

8835

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12911

Males

8717

M18-39

8717

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10051

Males

7285

M18-39

7285

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12696

Males

8611

M18-39

8611

Passing Analysis

Category:
Athletes Passed
641
Passed By
2488
Net Change
-1847
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2931
5K → 10K1581580#2931#2931
10K → 15K14952+97#2931#2834
15K → 20K13521+114#2834#2720
20K → Half3010+20#2720#2700
Half → 25K3880-42#2700#2742
25K → 30K47155-108#2742#2850
30K → 20M21115-94#2850#2944
20M → 21M9201-192#2944#3136
21M → 35K1758-41#3136#3177
35K → 23M13438-425#3177#3602
23M → 24M3548-545#3602#4147
24M → 40K7346-339#4147#4486
40K → 25.2M482-78#4486#4564
25.2M → Finish10224-214#4564#4778
TOTALS6412488-1847
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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