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BOSTON MARATHON 2025

Arcelia Márquez

Bib: 22139•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F45-49)
#0 / 1813
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:23/mi
26:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:46
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:42:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:47:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:07:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:35:00
↑ 181↓ 1480.2%
20M
8:37/mi
2:46:43
↑ 64↓ 500.2%
21M
9:14/mi
2:55:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
3:02:17
↑ 17↓ 861.7%
23M
8:41/mi
3:13:09
↑ 23↓ 630.6%
24M
8:32/mi
3:21:41
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:29:11
↓ 200.3%
25.2M
9:20/mi
3:32:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:40:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:52:58
Pace8:37 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1426:048:2326:04
8:23
-
10K
6.21 mi11:46:4151:318:1725:27
8:11
-0:12
15K
9.32 mi12:11:561:16:468:1425:15
8:08
-0:03
20K
12.43 mi12:37:221:42:128:1325:26
8:11
+0:03
Half
13.11 mi12:42:511:47:418:135:29
8:02
-0:09
25K
15.53 mi13:03:032:07:538:1420:12
8:20
+0:18
30K
18.64 mi13:30:102:35:008:1927:07
8:44
+0:24
20M
20.00 mi13:41:532:46:438:2011:43
8:37
-0:07
21M
21.00 mi13:51:072:55:578:239:14
9:14
+0:37
35K
21.75 mi13:57:273:02:178:236:20
8:28
-0:46
23M
23.00 mi14:08:193:13:098:2410:52
8:41
+0:13
24M
24.00 mi14:16:513:21:418:248:32
8:32
-0:09
40K
24.85 mi14:24:213:29:118:257:30
8:46
+0:14
25.2M
25.20 mi14:27:343:32:248:263:13
9:20
+0:34
Finish
26.22 mi14:35:493:40:398:258:15
8:06
-1:14

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

8:02 /mi

Average Pace

8:25 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:12

94% of race

Time at Steady Pace

12:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:21:1426:048:2326:04
8:23
#19252
10K
6.21 mi11:46:4151:318:1725:27
8:11
#18551
15K
9.32 mi12:11:561:16:468:1425:15
8:08
#18012
20K
12.43 mi12:37:221:42:128:1325:26
8:11
#17508
Half
13.11 mi12:42:511:47:418:135:29
8:02
#17423
25K
15.53 mi13:03:032:07:538:1420:12
8:20
#17160
30K
18.64 mi13:30:102:35:008:1927:07
8:44
#16918
20M
20.00 mi13:41:532:46:438:2011:43
8:37
#16742
21M
21.00 mi13:51:072:55:578:239:14
9:14
#16577
35K
21.75 mi13:57:273:02:178:236:20
8:28
#16501
23M
23.00 mi14:08:193:13:098:2410:52
8:41
#16328
24M
24.00 mi14:16:513:21:418:248:32
8:32
#16222
40K
24.85 mi14:24:213:29:118:257:30
8:46
#16180
25.2M
25.20 mi14:27:343:32:248:263:13
9:20
#16135
Finish
26.22 mi14:35:493:40:398:258:15
8:06
#16033
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi192527050705016934(Top 60%)5695(Top 47%)5695(Top 314%)
10K6.21 mi3.10 mi18551+7016644+4066644+40617827(Top 63%)6194(Top 51%)6194(Top 342%)
15K9.32 mi3.11 mi18012+5396341+3036341+30316934(Top 60%)5695(Top 47%)5695(Top 314%)
20K12.43 mi3.11 mi17508+5046035+3066035+30616238(Top 57%)5349(Top 44%)5349(Top 295%)
Half13.11 mi0.68 mi17423+855993+425993+4216251(Top 57%)5338(Top 44%)5338(Top 294%)
25K15.53 mi2.42 mi17160+2635862+1315862+13116130(Top 57%)5386(Top 44%)5386(Top 297%)
30K18.64 mi3.11 mi16918+2425763+995763+9916163(Top 57%)5558(Top 45%)5558(Top 307%)
20M20.00 mi1.36 mi16742+1765684+795684+7914587(Top 51%)4828(Top 39%)4828(Top 266%)
21M21.00 mi1.00 mi16577+1655625+595625+5914837(Top 52%)5077(Top 42%)5077(Top 280%)
35K21.75 mi0.75 mi16501+765605+205605+2015284(Top 54%)5395(Top 44%)5395(Top 298%)
23M23.00 mi1.25 mi16328+1735531+745531+7414450(Top 51%)5039(Top 41%)5039(Top 278%)
24M24.00 mi1.00 mi16222+1065508+235508+2314761(Top 52%)5249(Top 43%)5249(Top 290%)
40K24.85 mi0.85 mi16180+425502+65502+615048(Top 53%)5543(Top 45%)5543(Top 306%)
25.2M25.20 mi0.35 mi16135+455487+155487+1513686(Top 48%)4866(Top 40%)4866(Top 268%)
Finish26.22 mi1.02 mi16033+1025449+385449+3813590(Top 48%)4748(Top 39%)4748(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16934

Females

5695

F45-49

5695

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17827

Females

6194

F45-49

6194

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16934

Females

5695

F45-49

5695

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16238

Females

5349

F45-49

5349

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16251

Females

5338

F45-49

5338

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16130

Females

5386

F45-49

5386

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16163

Females

5558

F45-49

5558

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14587

Females

4828

F45-49

4828

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14837

Females

5077

F45-49

5077

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15284

Females

5395

F45-49

5395

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14450

Females

5039

F45-49

5039

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14761

Females

5249

F45-49

5249

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15048

Females

5543

F45-49

5543

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13686

Females

4866

F45-49

4866

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13590

Females

4748

F45-49

4748

Passing Analysis

Category:
Athletes Passed
3692
Passed By
473
Net Change
+3219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19252
5K → 10K76968+701#19252#18551
10K → 15K56526+539#18551#18012
15K → 20K52420+504#18012#17508
20K → Half905+85#17508#17423
Half → 25K31653+263#17423#17160
25K → 30K33997+242#17160#16918
30K → 20M19923+176#16918#16742
20M → 21M19126+165#16742#16577
21M → 35K9721+76#16577#16501
35K → 23M20330+173#16501#16328
23M → 24M13832+106#16328#16222
24M → 40K8442+42#16222#16180
40K → 25.2M5510+45#16180#16135
25.2M → Finish12220+102#16135#16033
TOTALS3692473+3219
📊

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