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BOSTON MARATHON 2023

Marina Santiago

Bib: 17705•F

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0:00
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #9690
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
46:30
Rank: #9875 (-185)
5K → 10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:49
Rank: #9953 (-78)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:33:51
Rank: #10292 (-339)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:39:03
Rank: #10327 (-35)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:57:46
Rank: #10318 (+9)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:22:22
Rank: #10274 (+44)
25K → 30K
24:36 | 7:55/mi
20M
2:33:16
Rank: #10263 (+11)
30K → 20M
10:54 | 8:01/mi
21M
2:41:39
Rank: #10198 (+65)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:47:25
Rank: #10178 (+20)
21M → 35K
5:46 | 7:42/mi
23M
2:57:27
Rank: #10138 (+40)
35K → 23M
10:02 | 8:01/mi
24M
3:05:07
Rank: #10054 (+84)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:11:53
Rank: #10000 (+54)
24M → 40K
6:46 | 7:55/mi
25.2M
3:14:46
Rank: #9956 (+44)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:22:28
Rank: #9875 (+81)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:03
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:43:25
Pace7:53 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4423:197:3023:19
7:30
-
10K
6.21 mi11:36:5546:307:2923:11
7:28
-0:02
15K
9.32 mi12:00:141:09:497:2923:19
7:30
+0:02
20K
12.43 mi12:24:161:33:517:3324:02
7:44
+0:14
Half
13.11 mi12:29:281:39:037:335:12
7:37
-0:07
25K
15.53 mi12:48:111:57:467:3518:43
7:43
+0:06
30K
18.64 mi13:12:472:22:227:3824:36
7:55
+0:12
20M
20.00 mi13:23:412:33:167:4010:54
8:01
+0:06
21M
21.00 mi13:32:042:41:397:428:23
8:23
+0:22
35K
21.75 mi13:37:502:47:257:425:46
7:42
-0:41
23M
23.00 mi13:47:522:57:277:4310:02
8:01
+0:19
24M
24.00 mi13:55:323:05:077:437:40
7:40
-0:21
40K
24.85 mi14:02:183:11:537:436:46
7:55
+0:15
25.2M
25.20 mi14:05:113:14:467:442:53
8:22
+0:27
Finish
26.22 mi14:12:533:22:287:447:42
7:33
-0:49

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

7:28 /mi

Average Pace

7:44 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:12

94% of race

Time at Steady Pace

11:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:13:4423:197:3023:19
7:30
#9690
10K
6.21 mi11:36:5546:307:2923:11
7:28
#9875
15K
9.32 mi12:00:141:09:497:2923:19
7:30
#9953
20K
12.43 mi12:24:161:33:517:3324:02
7:44
#10292
Half
13.11 mi12:29:281:39:037:335:12
7:37
#10327
25K
15.53 mi12:48:111:57:467:3518:43
7:43
#10318
30K
18.64 mi13:12:472:22:227:3824:36
7:55
#10274
20M
20.00 mi13:23:412:33:167:4010:54
8:01
#10263
21M
21.00 mi13:32:042:41:397:428:23
8:23
#10198
35K
21.75 mi13:37:502:47:257:425:46
7:42
#10178
23M
23.00 mi13:47:522:57:277:4310:02
8:01
#10138
24M
24.00 mi13:55:323:05:077:437:40
7:40
#10054
40K
24.85 mi14:02:183:11:537:436:46
7:55
#10000
25.2M
25.20 mi14:05:113:14:467:442:53
8:22
#9956
Finish
26.22 mi14:12:533:22:287:447:42
7:33
#9875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi96901702170210227(Top 38%)1948(Top 17%)1948(Top 40%)
10K6.21 mi3.10 mi9875-1851783-811783-8110172(Top 38%)1899(Top 17%)1899(Top 39%)
15K9.32 mi3.11 mi9953-781807-241807-2410227(Top 38%)1948(Top 17%)1948(Top 40%)
20K12.43 mi3.11 mi10292-3391972-1651972-16511196(Top 42%)2507(Top 22%)2507(Top 51%)
Half13.11 mi0.68 mi10327-351989-171989-1711243(Top 42%)2474(Top 22%)2474(Top 51%)
25K15.53 mi2.42 mi10318+92004-152004-1510459(Top 39%)2206(Top 19%)2206(Top 45%)
30K18.64 mi3.11 mi10274+442037-332037-3310280(Top 39%)2292(Top 20%)2292(Top 47%)
20M20.00 mi1.36 mi10263+112052-152052-1510432(Top 39%)2440(Top 21%)2440(Top 50%)
21M21.00 mi1.00 mi10198+652042+102042+109761(Top 37%)2270(Top 20%)2270(Top 46%)
35K21.75 mi0.75 mi10178+202047-52047-510020(Top 38%)2358(Top 21%)2358(Top 48%)
23M23.00 mi1.25 mi10138+402066-192066-199849(Top 37%)2433(Top 21%)2433(Top 50%)
24M24.00 mi1.00 mi10054+842055+112055+118882(Top 33%)2044(Top 18%)2044(Top 42%)
40K24.85 mi0.85 mi10000+542063-82063-89468(Top 36%)2383(Top 21%)2383(Top 49%)
25.2M25.20 mi0.35 mi9956+442057+62057+68725(Top 33%)2128(Top 19%)2128(Top 44%)
Finish26.22 mi1.02 mi9875+812038+192038+198986(Top 34%)2237(Top 20%)2237(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10227

Females

1948

F18-39

1948

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10172

Females

1899

F18-39

1899

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10227

Females

1948

F18-39

1948

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11196

Females

2507

F18-39

2507

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11243

Females

2474

F18-39

2474

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10459

Females

2206

F18-39

2206

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10280

Females

2292

F18-39

2292

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10432

Females

2440

F18-39

2440

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9761

Females

2270

F18-39

2270

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10020

Females

2358

F18-39

2358

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9849

Females

2433

F18-39

2433

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8882

Females

2044

F18-39

2044

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9468

Females

2383

F18-39

2383

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8725

Females

2128

F18-39

2128

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8986

Females

2237

F18-39

2237

Passing Analysis

Category:
Athletes Passed
1513*
Passed By
1697
Net Change
-185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9690
5K → 10K226411-185#9690#9875
10K → 15K154231-78#9875#9953
15K → 20K68407-339#9953#10292
20K → Half1449-35#10292#10327
Half → 25K147138+9#10327#10318
25K → 30K179135+44#10318#10274
30K → 20M85*74+11#10274#10263
20M → 21M11348+65#10263#10198
21M → 35K5434+20#10198#10178
35K → 23M10464+40#10178#10138
23M → 24M11026+84#10138#10054
24M → 40K8531+54#10054#10000
40K → 25.2M53*9+44#10000#9956
25.2M → Finish121*40+81#9956#9875
TOTALS1513*1697-185

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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