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BOSTON MARATHON 2026

Grettel Chaves Quiros

Bib: 20875•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
30:07
3.11 mi
Rank: #25069
Start → 5K
30:07 | 9:42/mi
10K
58:31
6.21 mi
Rank: #24280 (+789)
5K → 10K
28:24 | 9:09/mi
15K
1:27:03
9.32 mi
Rank: #24046 (+234)
10K → 15K
28:32 | 9:12/mi
20K
1:55:59
12.43 mi
Rank: #23797 (+249)
15K → 20K
28:56 | 9:19/mi
HALF
2:02:18
13.11 mi
Rank: #23792 (+5)
20K → HALF
6:19 | 9:17/mi
25K
2:25:33
15.53 mi
Rank: #23678 (+114)
HALF → 25K
23:15 | 9:36/mi
30K
2:55:43
18.64 mi
Rank: #23417 (+261)
25K → 30K
30:10 | 9:43/mi
20M
3:08:48
20.00 mi
Rank: #23259 (+158)
30K → 20M
13:05 | 9:38/mi
21M
3:19:03
21.00 mi
Rank: #23102 (+157)
20M → 21M
10:15 | 10:15/mi
35K
3:26:00
21.75 mi
Rank: #23028 (+74)
21M → 35K
6:57 | 9:18/mi
23M
3:38:16
23.00 mi
Rank: #22935 (+93)
35K → 23M
12:16 | 9:49/mi
24M
3:47:37
24.00 mi
Rank: #22834 (+101)
23M → 24M
9:21 | 9:21/mi
40K
3:56:39
24.85 mi
Rank: #22846 (-12)
24M → 40K
9:02 | 10:34/mi
25.2M
4:00:19
25.20 mi
Rank: #22823 (+23)
40K → 25.2M
3:40 | 10:38/mi
FINISH
4:09:51
26.22 mi
Rank: #22771 (+52)
25.2M → FINISH
9:32 | 9:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:07:33
Pace9:44 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3230:079:4230:07
9:42
-
10K
6.21 mi12:24:5658:319:2628:24
9:09
-0:33
15K
9.32 mi12:53:281:27:039:2128:32
9:12
+0:03
20K
12.43 mi13:22:241:55:599:2028:56
9:19
+0:07
HALF
13.11 mi13:28:432:02:189:206:19
9:17
-0:02
25K
15.53 mi13:51:582:25:339:2323:15
9:36
+0:19
30K
18.64 mi14:22:082:55:439:2630:10
9:43
+0:07
20M
20.00 mi14:35:133:08:489:2713:05
9:38
-0:05
21M
21.00 mi14:45:283:19:039:2910:15
10:15
+0:37
35K
21.75 mi14:52:253:26:009:296:57
9:18
-0:57
23M
23.00 mi15:04:413:38:169:3012:16
9:49
+0:31
24M
24.00 mi15:14:023:47:379:309:21
9:21
-0:28
40K
24.85 mi15:23:043:56:399:329:02
10:34
+1:13
25.2M
25.20 mi15:26:444:00:199:333:40
10:38
+0:04
FINISH
26.22 mi15:36:164:09:519:339:32
9:22
-1:16

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:09 /mi

Average Pace

9:32 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:46:54

91% of race

Time at Steady Pace

22:57

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:32 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:3230:079:4230:07
9:42
#25069
10K
6.21 mi12:24:5658:319:2628:24
9:09
#24280
15K
9.32 mi12:53:281:27:039:2128:32
9:12
#24046
20K
12.43 mi13:22:241:55:599:2028:56
9:19
#23797
HALF
13.11 mi13:28:432:02:189:206:19
9:17
#23792
25K
15.53 mi13:51:582:25:339:2323:15
9:36
#23678
30K
18.64 mi14:22:082:55:439:2630:10
9:43
#23417
20M
20.00 mi14:35:133:08:489:2713:05
9:38
#23259
21M
21.00 mi14:45:283:19:039:2910:15
10:15
#23102
35K
21.75 mi14:52:253:26:009:296:57
9:18
#23028
23M
23.00 mi15:04:413:38:169:3012:16
9:49
#22935
24M
24.00 mi15:14:023:47:379:309:21
9:21
#22834
40K
24.85 mi15:23:043:56:399:329:02
10:34
#22846
25.2M
25.20 mi15:26:444:00:199:333:40
10:38
#22823
FINISH
26.22 mi15:36:164:09:519:339:32
9:22
#22771
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25069102051020523450(Top 81%)9380(Top 75%)9380(Top 540%)
10K6.21 mi3.10 mi24280+7899798+4079798+40723409(Top 81%)9355(Top 74%)9355(Top 539%)
15K9.32 mi3.11 mi24046+2349681+1179681+11723450(Top 81%)9380(Top 75%)9380(Top 540%)
20K12.43 mi3.11 mi23797+2499550+1319550+13123177(Top 80%)9269(Top 74%)9269(Top 534%)
HALF13.11 mi0.68 mi23792+59555-59555-523709(Top 82%)9533(Top 76%)9533(Top 549%)
25K15.53 mi2.42 mi23678+1149509+469509+4623269(Top 80%)9340(Top 74%)9340(Top 538%)
30K18.64 mi3.11 mi23417+2619425+849425+8422306(Top 77%)8922(Top 71%)8922(Top 514%)
20M20.00 mi1.36 mi23259+1589364+619364+6121532(Top 74%)8621(Top 69%)8621(Top 496%)
21M21.00 mi1.00 mi23102+1579290+749290+7421232(Top 73%)8503(Top 68%)8503(Top 490%)
35K21.75 mi0.75 mi23028+749260+309260+3021159(Top 73%)8527(Top 68%)8527(Top 491%)
23M23.00 mi1.25 mi22935+939230+309230+3021592(Top 74%)8790(Top 70%)8790(Top 506%)
24M24.00 mi1.00 mi22834+1019195+359195+3520835(Top 72%)8461(Top 67%)8461(Top 487%)
40K24.85 mi0.85 mi22846-129208-139208-1323384(Top 81%)9812(Top 78%)9812(Top 565%)
25.2M25.20 mi0.35 mi22823+239201+79201+721497(Top 74%)8829(Top 70%)8829(Top 508%)
FINISH26.22 mi1.02 mi22771+529182+199182+1921878(Top 75%)9001(Top 72%)9001(Top 518%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21
+97ft-345ft

Overall

23450

Females

9380

F40-44

9380

5K→10K

3.1 - 6.2 mi

Top 81%
×5
+79ft-138ft

Overall

23409

Females

9355

F40-44

9355

10K→15K

6.2 - 9.3 mi

Top 81%
×3
+67ft-78ft

Overall

23450

Females

9380

F40-44

9380

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23177

Females

9269

F40-44

9269

20K→HALF

12.4 - 13.1 mi

Top 82%
×2
+19ft-37ft

Overall

23709

Females

9533

F40-44

9533

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23269

Females

9340

F40-44

9340

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22306

Females

8922

F40-44

8922

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21532

Females

8621

F40-44

8621

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21232

Females

8503

F40-44

8503

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21159

Females

8527

F40-44

8527

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21592

Females

8790

F40-44

8790

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

20835

Females

8461

F40-44

8461

24M→40K

24.0 - 24.9 mi

Top 81%
×1
+6ft-20ft

Overall

23384

Females

9812

F40-44

9812

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21497

Females

8829

F40-44

8829

25.2M→FINISH

25.2 - 26.2 mi

Top 75%
×2
+22ft-21ft

Overall

21878

Females

9001

F40-44

9001

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2650
Passed By
352
Net Change
+2298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25069
5K → 10K80617+789#25069#24280
10K → 15K30167+234#24280#24046
15K → 20K27324+249#24046#23797
20K → HALF3126+5#23797#23792
HALF → 25K15844+114#23792#23678
25K → 30K29837+261#23678#23417
30K → 20M16911+158#23417#23259
20M → 21M1658+157#23259#23102
21M → 35K8612+74#23102#23028
35K → 23M10916+93#23028#22935
23M → 24M1087+101#22935#22834
24M → 40K4658-12#22834#22846
40K → 25.2M307+23#22846#22823
25.2M → FINISH7018+52#22823#22771
TOTALS2650352+2298
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing