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BOSTON MARATHON 2023

Graciela Rojas Montemayor

Bib: 21251 F MX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:22/mi
25:59
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:15/mi
51:38
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:19/mi
1:17:27
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:31/mi
1:43:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:18/mi
1:49:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:37/mi
2:10:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:02/mi
2:38:32
↑ 181↓ 1480.2%
138 ft elev
20M
9:15/mi
2:51:06
↑ 64↓ 500.2%
148 ft elev
21M
9:58/mi
3:01:04
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:57/mi
3:07:46
↑ 17↓ 861.7%
156 ft elev
23M
9:33/mi
3:19:44
↑ 23↓ 630.6%
116 ft elev
24M
8:50/mi
3:28:34
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:07/mi
3:36:22
↓ 200.3%
20 ft elev
25.2M
10:06/mi
3:39:51
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:04/mi
3:49:05
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:35
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:59:30
Pace9:07 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2825:598:2225:59
8:22
-
10K
6.21 mi11:45:0751:388:1925:39
8:15
-0:07
15K
9.32 mi12:10:561:17:278:1925:49
8:19
+0:04
20K
12.43 mi12:37:241:43:558:2226:28
8:31
+0:12
Half
13.11 mi12:43:041:49:358:225:40
8:18
-0:13
25K
15.53 mi13:03:572:10:288:2420:53
8:37
+0:19
30K
18.64 mi13:32:012:38:328:3028:04
9:02
+0:25
20M
20.00 mi13:44:352:51:068:3312:34
9:15
+0:13
21M
21.00 mi13:54:333:01:048:379:58
9:58
+0:43
35K
21.75 mi14:01:153:07:468:386:42
8:57
-1:01
23M
23.00 mi14:13:133:19:448:4111:58
9:33
+0:36
24M
24.00 mi14:22:033:28:348:418:50
8:50
-0:43
40K
24.85 mi14:29:513:36:228:427:48
9:07
+0:17
25.2M
25.20 mi14:33:203:39:518:433:29
10:06
+0:59
Finish
26.22 mi14:42:343:49:058:459:14
9:04
-1:02

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

8:15 /mi

Average Pace

8:45 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:28

57% of race

Time at Steady Pace

1:00:38

26% of race

Time at Slower Pace

37:59

17% of race

Average Pace: 8:44 /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 mi11:19:2825:598:2225:59
8:22
#16613
10K
6.21 mi11:45:0751:388:1925:39
8:15
#16584
15K
9.32 mi12:10:561:17:278:1925:49
8:19
#16587
20K
12.43 mi12:37:241:43:558:2226:28
8:31
#16720
Half
13.11 mi12:43:041:49:358:225:40
8:18
#16688
25K
15.53 mi13:03:572:10:288:2420:53
8:37
#16728
30K
18.64 mi13:32:012:38:328:3028:04
9:02
#16808
20M
20.00 mi13:44:352:51:068:3312:34
9:15
#16879
21M
21.00 mi13:54:333:01:048:379:58
9:58
#16929
35K
21.75 mi14:01:153:07:468:386:42
8:57
#16962
23M
23.00 mi14:13:133:19:448:4111:58
9:33
#17073
24M
24.00 mi14:22:033:28:348:418:50
8:50
#17037
40K
24.85 mi14:29:513:36:228:427:48
9:07
#17036
25.2M
25.20 mi14:33:203:39:518:433:29
10:06
#17050
Finish
26.22 mi14:42:343:49:058:459:14
9:04
#17128
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi166135678567816614(Top 62%)5680(Top 50%)5680(Top 313%)
10K6.21 mi3.10 mi16584+295631+475631+4716635(Top 62%)5661(Top 50%)5661(Top 312%)
15K9.32 mi3.11 mi16587-35658-275658-2716614(Top 62%)5680(Top 50%)5680(Top 313%)
20K12.43 mi3.11 mi16720-1335749-915749-9116988(Top 64%)5922(Top 52%)5922(Top 326%)
Half13.11 mi0.68 mi16688+325738+115738+1116577(Top 62%)5660(Top 50%)5660(Top 312%)
25K15.53 mi2.42 mi16728-405787-495787-4916889(Top 63%)5948(Top 52%)5948(Top 327%)
30K18.64 mi3.11 mi16808-805851-645851-6417360(Top 65%)6278(Top 55%)6278(Top 346%)
20M20.00 mi1.36 mi16879-715902-515902-5117799(Top 67%)6633(Top 58%)6633(Top 365%)
21M21.00 mi1.00 mi16929-505946-445946-4417920(Top 67%)6709(Top 59%)6709(Top 369%)
35K21.75 mi0.75 mi16962-335967-215967-2117739(Top 67%)6687(Top 59%)6687(Top 368%)
23M23.00 mi1.25 mi17073-1116064-976064-9718556(Top 70%)7155(Top 63%)7155(Top 394%)
24M24.00 mi1.00 mi17037+366068-46068-416414(Top 62%)6034(Top 53%)6034(Top 332%)
40K24.85 mi0.85 mi17036+16083-156083-1516750(Top 63%)6262(Top 55%)6262(Top 345%)
25.2M25.20 mi0.35 mi17050-146091-86091-817801(Top 67%)6851(Top 60%)6851(Top 377%)
Finish26.22 mi1.02 mi17128-786144-536144-5318286(Top 69%)7052(Top 62%)7052(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16614

Females

5680

F45-49

5680

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16635

Females

5661

F45-49

5661

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16614

Females

5680

F45-49

5680

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16988

Females

5922

F45-49

5922

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16577

Females

5660

F45-49

5660

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16889

Females

5948

F45-49

5948

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17360

Females

6278

F45-49

6278

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17799

Females

6633

F45-49

6633

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17920

Females

6709

F45-49

6709

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17739

Females

6687

F45-49

6687

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18556

Females

7155

F45-49

7155

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16414

Females

6034

F45-49

6034

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16750

Females

6262

F45-49

6262

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17801

Females

6851

F45-49

6851

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18286

Females

7052

F45-49

7052

Passing Analysis

Category:
Athletes Passed
1355
Passed By
1870
Net Change
-515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16613
5K → 10K324295+29#16613#16584
10K → 15K196199-3#16584#16587
15K → 20K126259-133#16587#16720
20K → Half4715+32#16720#16688
Half → 25K117157-40#16688#16728
25K → 30K151231-80#16728#16808
30K → 20M58129-71#16808#16879
20M → 21M60110-50#16879#16929
21M → 35K3265-33#16929#16962
35K → 23M55166-111#16962#17073
23M → 24M7741+36#17073#17037
24M → 40K5857+1#17037#17036
40K → 25.2M1327-14#17036#17050
25.2M → Finish41119-78#17050#17128
TOTALS13551870-515
📊

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