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BOSTON MARATHON 2023

Andreas Ambos

Bib: 7184•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 40%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M50-54)
#0 / 2052
Top 21%
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
6:51/mi
21:17
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
42:38
↑ 79↓ 1380.4%
15K· 9.32 mi
6:53/mi
1:04:01
↑ 67↓ 78
20K· 12.43 mi
7:05/mi
1:26:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:30:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:48:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:11:51
↑ 181↓ 1480.2%
20M
7:44/mi
2:22:21
↑ 64↓ 500.2%
21M
8:09/mi
2:30:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:36:17
↑ 17↓ 861.7%
23M
7:58/mi
2:46:16
↑ 23↓ 630.6%
24M
7:43/mi
2:53:59
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:01:58
↓ 200.3%
25.2M
8:33/mi
3:04:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:12:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:42
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:42:02
Pace7:47 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1021:176:5121:17
6:51
-
10K
6.21 mi10:46:3142:386:5221:21
6:52
+0:01
15K
9.32 mi11:07:541:04:016:5221:23
6:53
+0:01
20K
12.43 mi11:29:531:26:006:5521:59
7:05
+0:12
Half
13.11 mi11:34:351:30:426:554:42
6:53
-0:12
25K
15.53 mi11:51:571:48:046:5717:22
7:10
+0:17
30K
18.64 mi12:15:442:11:517:0423:47
7:39
+0:29
20M
20.00 mi12:26:142:22:217:0710:30
7:44
+0:05
21M
21.00 mi12:34:232:30:307:108:09
8:09
+0:25
35K
21.75 mi12:40:102:36:177:115:47
7:44
-0:25
23M
23.00 mi12:50:092:46:167:149:59
7:58
+0:14
24M
24.00 mi12:57:522:53:597:157:43
7:43
-0:15
40K
24.85 mi13:05:513:01:587:197:59
9:20
+1:37
25.2M
25.20 mi13:08:483:04:557:202:57
8:33
-0:47
Finish
26.22 mi13:16:373:12:447:217:49
7:40
-0:53

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

6:51 /mi

Average Pace

7:21 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:04

56% of race

Time at Steady Pace

1:05:35

34% of race

Time at Slower Pace

19:05

10% of race

Average Pace: 7:21 /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 mi10:25:1021:176:5121:17
6:51
#5159
10K
6.21 mi10:46:3142:386:5221:21
6:52
#5508
15K
9.32 mi11:07:541:04:016:5221:23
6:53
#5619
20K
12.43 mi11:29:531:26:006:5521:59
7:05
#5830
Half
13.11 mi11:34:351:30:426:554:42
6:53
#5837
25K
15.53 mi11:51:571:48:046:5717:22
7:10
#5951
30K
18.64 mi12:15:442:11:517:0423:47
7:39
#6256
20M
20.00 mi12:26:142:22:217:0710:30
7:44
#6340
21M
21.00 mi12:34:232:30:307:108:09
8:09
#6372
35K
21.75 mi12:40:102:36:177:115:47
7:44
#6465
23M
23.00 mi12:50:092:46:167:149:59
7:58
#6575
24M
24.00 mi12:57:522:53:597:157:43
7:43
#6624
40K
24.85 mi13:05:513:01:587:197:59
9:20
#6999
25.2M
25.20 mi13:08:483:04:557:202:57
8:33
#7020
Finish
26.22 mi13:16:373:12:447:217:49
7:40
#7073
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5159478447845835(Top 22%)5333(Top 35%)5333(Top 260%)
10K6.21 mi3.10 mi5508-3495082-2985082-2985932(Top 22%)5412(Top 36%)5412(Top 264%)
15K9.32 mi3.11 mi5619-1115172-905172-905835(Top 22%)5333(Top 35%)5333(Top 260%)
20K12.43 mi3.11 mi5830-2115352-1805352-1806424(Top 24%)5788(Top 38%)5788(Top 282%)
Half13.11 mi0.68 mi5837-75353-15353-15943(Top 22%)5452(Top 36%)5452(Top 266%)
25K15.53 mi2.42 mi5951-1145442-895442-896458(Top 24%)5770(Top 38%)5770(Top 281%)
30K18.64 mi3.11 mi6256-3055656-2145656-2148317(Top 31%)6869(Top 45%)6869(Top 335%)
20M20.00 mi1.36 mi6340-845711-555711-558343(Top 31%)6796(Top 45%)6796(Top 331%)
21M21.00 mi1.00 mi6372-325726-155726-158271(Top 31%)6623(Top 44%)6623(Top 323%)
35K21.75 mi0.75 mi6465-935780-545780-5410099(Top 38%)7659(Top 50%)7659(Top 373%)
23M23.00 mi1.25 mi6575-1105849-695849-699535(Top 36%)7239(Top 48%)7239(Top 353%)
24M24.00 mi1.00 mi6624-495872-235872-239156(Top 34%)6959(Top 46%)6959(Top 339%)
40K24.85 mi0.85 mi6999-3756117-2456117-24517648(Top 66%)10852(Top 72%)10852(Top 529%)
25.2M25.20 mi0.35 mi7020-216115+26115+29767(Top 37%)7153(Top 47%)7153(Top 349%)
Finish26.22 mi1.02 mi7073-536130-156130-159738(Top 37%)7130(Top 47%)7130(Top 347%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5835

Males

5333

M50-54

5333

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5932

Males

5412

M50-54

5412

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5835

Males

5333

M50-54

5333

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6424

Males

5788

M50-54

5788

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5943

Males

5452

M50-54

5452

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6458

Males

5770

M50-54

5770

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8317

Males

6869

M50-54

6869

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8343

Males

6796

M50-54

6796

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8271

Males

6623

M50-54

6623

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10099

Males

7659

M50-54

7659

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9535

Males

7239

M50-54

7239

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9156

Males

6959

M50-54

6959

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17648

Males

10852

M50-54

10852

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9767

Males

7153

M50-54

7153

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9738

Males

7130

M50-54

7130

Passing Analysis

Category:
Athletes Passed
572
Passed By
2486
Net Change
-1914
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5159
5K → 10K83432-349#5159#5508
10K → 15K78189-111#5508#5619
15K → 20K50261-211#5619#5830
20K → Half1724-7#5830#5837
Half → 25K40154-114#5837#5951
25K → 30K55360-305#5951#6256
30K → 20M35119-84#6256#6340
20M → 21M4678-32#6340#6372
21M → 35K20113-93#6372#6465
35K → 23M35145-110#6465#6575
23M → 24M3483-49#6575#6624
24M → 40K8383-375#6624#6999
40K → 25.2M2647-21#6999#7020
25.2M → Finish4598-53#7020#7073
TOTALS5722486-1914
📊

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