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BOSTON MARATHON 2023

Tong Pham

Bib: 13479•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M50-54)
#0 / 2052
Top 17%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:07:18
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:29:10
↑ 106↓ 860.1%
Half· 13.11 mi
6:58/mi
1:33:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:50:57
↑ 66↓ 880.2%
30K· 18.64 mi
7:11/mi
2:13:17
↑ 181↓ 1480.2%
20M
7:19/mi
2:23:13
↑ 64↓ 500.2%
21M
7:47/mi
2:31:00
↑ 106↓ 241.6%
35K· 21.75 mi
6:33/mi
2:35:54
↑ 17↓ 861.7%
23M
7:14/mi
2:44:58
↑ 23↓ 630.6%
24M
7:17/mi
2:52:15
↓ 821.3%
40K· 24.85 mi
7:34/mi
2:58:43
↓ 200.3%
25.2M
8:22/mi
3:01:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:09:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:35:29
Pace7:17 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2423:027:2523:02
7:25
-
10K
6.21 mi11:13:4045:187:1722:16
7:10
-0:15
15K
9.32 mi11:35:401:07:187:1322:00
7:05
-0:05
20K
12.43 mi11:57:321:29:107:1021:52
7:02
-0:03
Half
13.11 mi12:02:171:33:557:104:45
6:58
-0:04
25K
15.53 mi12:19:191:50:577:0917:02
7:02
+0:04
30K
18.64 mi12:41:392:13:177:0922:20
7:11
+0:09
20M
20.00 mi12:51:352:23:137:109:56
7:19
+0:08
21M
21.00 mi12:59:222:31:007:117:47
7:47
+0:28
35K
21.75 mi13:04:162:35:547:104:54
6:33
-1:14
23M
23.00 mi13:13:202:44:587:109:04
7:14
+0:41
24M
24.00 mi13:20:372:52:157:117:17
7:17
+0:03
40K
24.85 mi13:27:052:58:437:116:28
7:34
+0:17
25.2M
25.20 mi13:29:583:01:367:122:53
8:22
+0:48
Finish
26.22 mi13:37:463:09:247:147:48
7:39
-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

6:33 /mi

Average Pace

7:14 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:39

5% of race

Time at Steady Pace

2:34:49

82% of race

Time at Slower Pace

24:56

13% of race

Average Pace: 7:13 /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 mi10:51:2423:027:2523:02
7:25
#8905
10K
6.21 mi11:13:4045:187:1722:16
7:10
#8375
15K
9.32 mi11:35:401:07:187:1322:00
7:05
#7901
20K
12.43 mi11:57:321:29:107:1021:52
7:02
#7378
Half
13.11 mi12:02:171:33:557:104:45
6:58
#7305
25K
15.53 mi12:19:191:50:577:0917:02
7:02
#7018
30K
18.64 mi12:41:392:13:177:0922:20
7:11
#6684
20M
20.00 mi12:51:352:23:137:109:56
7:19
#6580
21M
21.00 mi12:59:222:31:007:117:47
7:47
#6523
35K
21.75 mi13:04:162:35:547:104:54
6:33
#6358
23M
23.00 mi13:13:202:44:587:109:04
7:14
#6223
24M
24.00 mi13:20:372:52:157:117:17
7:17
#6176
40K
24.85 mi13:27:052:58:437:116:28
7:34
#6175
25.2M
25.20 mi13:29:583:01:367:122:53
8:22
#6195
Finish
26.22 mi13:37:463:09:247:147:48
7:39
#6273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8905753075307032(Top 26%)6265(Top 41%)6265(Top 305%)
10K6.21 mi3.10 mi8375+5307194+3367194+3367863(Top 30%)6843(Top 45%)6843(Top 333%)
15K9.32 mi3.11 mi7901+4746892+3026892+3027032(Top 26%)6265(Top 41%)6265(Top 305%)
20K12.43 mi3.11 mi7378+5236523+3696523+3696215(Top 23%)5636(Top 37%)5636(Top 275%)
Half13.11 mi0.68 mi7305+736465+586465+586331(Top 24%)5741(Top 38%)5741(Top 280%)
25K15.53 mi2.42 mi7018+2876250+2156250+2155727(Top 22%)5245(Top 35%)5245(Top 256%)
30K18.64 mi3.11 mi6684+3345976+2745976+2745439(Top 20%)4949(Top 33%)4949(Top 241%)
20M20.00 mi1.36 mi6580+1045887+895887+895694(Top 21%)5069(Top 33%)5069(Top 247%)
21M21.00 mi1.00 mi6523+575830+575830+576076(Top 23%)5245(Top 35%)5245(Top 256%)
35K21.75 mi0.75 mi6358+1655708+1225708+1222747(Top 10%)2590(Top 17%)2590(Top 126%)
23M23.00 mi1.25 mi6223+1355594+1145594+1145006(Top 19%)4476(Top 29%)4476(Top 218%)
24M24.00 mi1.00 mi6176+475543+515543+516242(Top 23%)5239(Top 35%)5239(Top 255%)
40K24.85 mi0.85 mi6175+15532+115532+117069(Top 27%)5662(Top 37%)5662(Top 276%)
25.2M25.20 mi0.35 mi6195-205542-105542-108580(Top 32%)6481(Top 43%)6481(Top 316%)
Finish26.22 mi1.02 mi6273-785590-485590-489619(Top 36%)7070(Top 47%)7070(Top 345%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7032

Males

6265

M50-54

6265

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7863

Males

6843

M50-54

6843

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7032

Males

6265

M50-54

6265

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6215

Males

5636

M50-54

5636

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6331

Males

5741

M50-54

5741

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

5727

Males

5245

M50-54

5245

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5439

Males

4949

M50-54

4949

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5694

Males

5069

M50-54

5069

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6076

Males

5245

M50-54

5245

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2747

Males

2590

M50-54

2590

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5006

Males

4476

M50-54

4476

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6242

Males

5239

M50-54

5239

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7069

Males

5662

M50-54

5662

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8580

Males

6481

M50-54

6481

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9619

Males

7070

M50-54

7070

Passing Analysis

Category:
Athletes Passed
3004
Passed By
372
Net Change
+2632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8905
5K → 10K59969+530#8905#8375
10K → 15K48410+474#8375#7901
15K → 20K5263+523#7901#7378
20K → Half752+73#7378#7305
Half → 25K2903+287#7305#7018
25K → 30K3428+334#7018#6684
30K → 20M11713+104#6684#6580
20M → 21M8528+57#6580#6523
21M → 35K1650+165#6523#6358
35K → 23M14611+135#6358#6223
23M → 24M8134+47#6223#6176
24M → 40K4847+1#6176#6175
40K → 25.2M1636-20#6175#6195
25.2M → Finish30108-78#6195#6273
TOTALS3004372+2632
📊

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