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BOSTON MARATHON 2023

Sergio Flores

Bib: 31374•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:30
Rank: #17737
Start → 5K
26:30 | 8:32/mi
10K· 6.21 mi
50:36
Rank: #15406 (+2331)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:15:10
Rank: #14852 (+554)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:40:02
Rank: #14468 (+384)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:45:30
Rank: #14484 (-16)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:05:22
Rank: #14426 (+58)
Half → 25K
19:52 | 8:12/mi
30K· 18.64 mi
2:31:22
Rank: #14244 (+182)
25K → 30K
26:00 | 8:22/mi
20M
2:42:51
Rank: #14173 (+71)
30K → 20M
11:29 | 8:27/mi
21M
2:51:50
Rank: #14089 (+84)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:58:06
Rank: #14077 (+12)
21M → 35K
6:16 | 8:23/mi
23M
3:08:56
Rank: #14055 (+22)
35K → 23M
10:50 | 8:39/mi
24M
3:17:39
Rank: #14136 (-81)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:24:55
Rank: #14091 (+45)
24M → 40K
7:16 | 8:30/mi
25.2M
3:28:05
Rank: #14070 (+21)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:36:26
Rank: #14038 (+32)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:56
Pace8:28 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3826:308:3226:30
8:32
-
10K
6.21 mi12:09:4450:368:0924:06
7:45
-0:47
15K
9.32 mi12:34:181:15:108:0424:34
7:54
+0:09
20K
12.43 mi12:59:101:40:028:0324:52
8:00
+0:06
Half
13.11 mi13:04:381:45:308:035:28
8:01
+0:01
25K
15.53 mi13:24:302:05:228:0419:52
8:12
+0:11
30K
18.64 mi13:50:302:31:228:0726:00
8:22
+0:10
20M
20.00 mi14:01:592:42:518:0911:29
8:27
+0:05
21M
21.00 mi14:10:582:51:508:118:59
8:59
+0:32
35K
21.75 mi14:17:142:58:068:116:16
8:23
-0:36
23M
23.00 mi14:28:043:08:568:1310:50
8:39
+0:16
24M
24.00 mi14:36:473:17:398:148:43
8:43
+0:04
40K
24.85 mi14:44:033:24:558:157:16
8:30
-0:13
25.2M
25.20 mi14:47:133:28:058:153:10
9:11
+0:41
Finish
26.22 mi14:55:343:36:268:168:21
8:12
-0:59

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

7:45 /mi

Average Pace

8:16 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:14

73% of race

Time at Steady Pace

55:02

25% of race

Time at Slower Pace

3:10

1% of race

Average Pace: 8:15 /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 mi11:45:3826:308:3226:30
8:32
#17737
10K
6.21 mi12:09:4450:368:0924:06
7:45
#15406
15K
9.32 mi12:34:181:15:108:0424:34
7:54
#14852
20K
12.43 mi12:59:101:40:028:0324:52
8:00
#14468
Half
13.11 mi13:04:381:45:308:035:28
8:01
#14484
25K
15.53 mi13:24:302:05:228:0419:52
8:12
#14426
30K
18.64 mi13:50:302:31:228:0726:00
8:22
#14244
20M
20.00 mi14:01:592:42:518:0911:29
8:27
#14173
21M
21.00 mi14:10:582:51:508:118:59
8:59
#14089
35K
21.75 mi14:17:142:58:068:116:16
8:23
#14077
23M
23.00 mi14:28:043:08:568:1310:50
8:39
#14055
24M
24.00 mi14:36:473:17:398:148:43
8:43
#14136
40K
24.85 mi14:44:033:24:558:157:16
8:30
#14091
25.2M
25.20 mi14:47:133:28:058:153:10
9:11
#14070
Finish
26.22 mi14:55:343:36:268:168:21
8:12
#14038
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi17737113191131913600(Top 51%)9745(Top 64%)9745(Top 433%)
10K6.21 mi3.10 mi15406+233110479+84010479+84012734(Top 48%)9444(Top 62%)9444(Top 419%)
15K9.32 mi3.11 mi14852+55410263+21610263+21613600(Top 51%)9745(Top 64%)9745(Top 433%)
20K12.43 mi3.11 mi14468+38410096+16710096+16713453(Top 51%)9645(Top 64%)9645(Top 428%)
Half13.11 mi0.68 mi14484-1610104-810104-814426(Top 54%)10065(Top 66%)10065(Top 447%)
25K15.53 mi2.42 mi14426+5810047+5710047+5714164(Top 53%)9827(Top 65%)9827(Top 436%)
30K18.64 mi3.11 mi14244+1829933+1149933+11413468(Top 51%)9446(Top 62%)9446(Top 419%)
20M20.00 mi1.36 mi14173+719882+519882+5113318(Top 50%)9276(Top 61%)9276(Top 412%)
21M21.00 mi1.00 mi14089+849827+559827+5513292(Top 50%)9173(Top 60%)9173(Top 407%)
35K21.75 mi0.75 mi14077+129815+129815+1214541(Top 55%)9659(Top 64%)9659(Top 429%)
23M23.00 mi1.25 mi14055+229777+389777+3814070(Top 53%)9392(Top 62%)9392(Top 417%)
24M24.00 mi1.00 mi14136-819787-109787-1015725(Top 59%)10048(Top 66%)10048(Top 446%)
40K24.85 mi0.85 mi14091+459746+419746+4113306(Top 50%)8924(Top 59%)8924(Top 396%)
25.2M25.20 mi0.35 mi14070+219732+149732+1413505(Top 51%)8998(Top 59%)8998(Top 400%)
Finish26.22 mi1.02 mi14038+329699+339699+3313377(Top 50%)8962(Top 59%)8962(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13600

Males

9745

M45-49

9745

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12734

Males

9444

M45-49

9444

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13600

Males

9745

M45-49

9745

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13453

Males

9645

M45-49

9645

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14426

Males

10065

M45-49

10065

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14164

Males

9827

M45-49

9827

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13468

Males

9446

M45-49

9446

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13318

Males

9276

M45-49

9276

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13292

Males

9173

M45-49

9173

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14541

Males

9659

M45-49

9659

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14070

Males

9392

M45-49

9392

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15725

Males

10048

M45-49

10048

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13306

Males

8924

M45-49

8924

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13505

Males

8998

M45-49

8998

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13377

Males

8962

M45-49

8962

Passing Analysis

Category:
Athletes Passed
4476
Passed By
777
Net Change
+3699
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17737
5K → 10K234615+2331#17737#15406
10K → 15K58228+554#15406#14852
15K → 20K42137+384#14852#14468
20K → Half2642-16#14468#14484
Half → 25K171113+58#14484#14426
25K → 30K27492+182#14426#14244
30K → 20M11544+71#14244#14173
20M → 21M13551+84#14173#14089
21M → 35K5139+12#14089#14077
35K → 23M9977+22#14077#14055
23M → 24M40121-81#14055#14136
24M → 40K9449+45#14136#14091
40K → 25.2M4322+21#14091#14070
25.2M → Finish7947+32#14070#14038
TOTALS4476777+3699
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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