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BOSTON MARATHON 2025

Christal Espinoza

Bib: 16175•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:05
Rank: #17186
Start → 5K
8:04/mi
25:05 split
10K· 6.21 mi
50:20
Rank: #17263 (-77)
5K → 10K
8:08/mi
25:15 split
15K· 9.32 mi
1:15:23
Rank: #16992 (+271)
10K → 15K
8:04/mi
25:03 split
20K· 12.43 mi
1:40:48
Rank: #16768 (+224)
15K → 20K
8:11/mi
25:25 split
Half· 13.11 mi
1:46:15
Rank: #16708 (+60)
20K → Half
7:59/mi
5:27 split
25K· 15.53 mi
2:06:04
Rank: #16419 (+289)
Half → 25K
8:10/mi
19:49 split
30K· 18.64 mi
2:32:57
Rank: #16245 (+174)
25K → 30K
8:39/mi
26:53 split
20M
2:45:42
Rank: #16406 (-161)
30K → 20M
9:23/mi
12:45 split
21M
2:56:16
Rank: #16663 (-257)
20M → 21M
10:34/mi
10:34 split
35K· 21.75 mi
3:03:09
Rank: #16757 (-94)
21M → 35K
9:12/mi
6:53 split
23M
3:14:52
Rank: #16831 (-74)
35K → 23M
9:21/mi
11:43 split
24M
3:24:08
Rank: #16920 (-89)
23M → 24M
9:16/mi
9:16 split
40K· 24.85 mi
3:31:58
Rank: #16940 (-20)
24M → 40K
9:10/mi
7:50 split
25.2M
3:35:25
Rank: #16944 (-4)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
3:43:59
Rank: #16895 (+49)
25.2M → Finish
8:24/mi
8:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:15
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:57:44
Pace8:59 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3925:058:0425:05
8:04
-
10K
6.21 mi11:43:5450:208:0625:15
8:08
+0:04
15K
9.32 mi12:08:571:15:238:0525:03
8:04
-0:04
20K
12.43 mi12:34:221:40:488:0725:25
8:11
+0:07
Half
13.11 mi12:39:491:46:158:065:27
7:59
-0:12
25K
15.53 mi12:59:382:06:048:0719:49
8:10
+0:11
30K
18.64 mi13:26:312:32:578:1226:53
8:39
+0:29
20M
20.00 mi13:39:162:45:428:1712:45
9:23
+0:44
21M
21.00 mi13:49:502:56:168:2410:34
10:34
+1:11
35K
21.75 mi13:56:433:03:098:256:53
9:12
-1:22
23M
23.00 mi14:08:263:14:528:2811:43
9:21
+0:09
24M
24.00 mi14:17:423:24:088:309:16
9:16
-0:05
40K
24.85 mi14:25:323:31:588:327:50
9:10
-0:06
25.2M
25.20 mi14:28:593:35:258:333:27
10:00
+0:50
Finish
26.22 mi14:37:333:43:598:338:34
8:24
-1:36

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

7:59 /mi

Average Pace

8:33 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:04

56% of race

Time at Steady Pace

35:27

16% of race

Time at Slower Pace

1:02:28

28% of race

Average Pace: 8:33 /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 mi11:18:3925:058:0425:05
8:04
#17186
10K
6.21 mi11:43:5450:208:0625:15
8:08
#17263
15K
9.32 mi12:08:571:15:238:0525:03
8:04
#16992
20K
12.43 mi12:34:221:40:488:0725:25
8:11
#16768
Half
13.11 mi12:39:491:46:158:065:27
7:59
#16708
25K
15.53 mi12:59:382:06:048:0719:49
8:10
#16419
30K
18.64 mi13:26:312:32:578:1226:53
8:39
#16245
20M
20.00 mi13:39:162:45:428:1712:45
9:23
#16406
21M
21.00 mi13:49:502:56:168:2410:34
10:34
#16663
35K
21.75 mi13:56:433:03:098:256:53
9:12
#16757
23M
23.00 mi14:08:263:14:528:2811:43
9:21
#16831
24M
24.00 mi14:17:423:24:088:309:16
9:16
#16920
40K
24.85 mi14:25:323:31:588:327:50
9:10
#16940
25.2M
25.20 mi14:28:593:35:258:333:27
10:00
#16944
Finish
26.22 mi14:37:333:43:598:338:34
8:24
#16895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171865847584716522(Top 58%)5454(Top 45%)5454(Top 100%)
10K6.21 mi3.10 mi17263-775884-375884-3717407(Top 61%)5942(Top 49%)5942(Top 109%)
15K9.32 mi3.11 mi16992+2715709+1755709+17516522(Top 58%)5454(Top 45%)5454(Top 100%)
20K12.43 mi3.11 mi16768+2245602+1075602+10716194(Top 57%)5333(Top 44%)5333(Top 98%)
Half13.11 mi0.68 mi16708+605566+365566+3615894(Top 56%)5129(Top 42%)5129(Top 94%)
25K15.53 mi2.42 mi16419+2895417+1495417+14915148(Top 53%)4820(Top 39%)4820(Top 88%)
30K18.64 mi3.11 mi16245+1745375+425375+4215740(Top 55%)5311(Top 43%)5311(Top 97%)
20M20.00 mi1.36 mi16406-1615502-1275502-12718678(Top 66%)7089(Top 58%)7089(Top 130%)
21M21.00 mi1.00 mi16663-2575679-1775679-17720223(Top 71%)8028(Top 66%)8028(Top 147%)
35K21.75 mi0.75 mi16757-945748-695748-6919179(Top 68%)7539(Top 62%)7539(Top 138%)
23M23.00 mi1.25 mi16831-745831-835831-8318052(Top 64%)7001(Top 57%)7001(Top 128%)
24M24.00 mi1.00 mi16920-895911-805911-8018678(Top 66%)7373(Top 60%)7373(Top 135%)
40K24.85 mi0.85 mi16940-205954-435954-4317185(Top 61%)6680(Top 55%)6680(Top 122%)
25.2M25.20 mi0.35 mi16944-45969-155969-1517092(Top 60%)6630(Top 54%)6630(Top 121%)
Finish26.22 mi1.02 mi16895+495959+105959+1015660(Top 55%)5842(Top 48%)5842(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16522

Females

5454

F18-39

5454

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17407

Females

5942

F18-39

5942

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16522

Females

5454

F18-39

5454

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16194

Females

5333

F18-39

5333

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15894

Females

5129

F18-39

5129

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15148

Females

4820

F18-39

4820

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15740

Females

5311

F18-39

5311

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18678

Females

7089

F18-39

7089

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20223

Females

8028

F18-39

8028

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19179

Females

7539

F18-39

7539

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18052

Females

7001

F18-39

7001

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18678

Females

7373

F18-39

7373

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17185

Females

6680

F18-39

6680

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17092

Females

6630

F18-39

6630

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15660

Females

5842

F18-39

5842

Passing Analysis

Category:
Athletes Passed
2118
Passed By
1827
Net Change
+291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17186
5K → 10K260337-77#17186#17263
10K → 15K36190+271#17263#16992
15K → 20K30783+224#16992#16768
20K → Half7111+60#16768#16708
Half → 25K30819+289#16708#16419
25K → 30K319145+174#16419#16245
30K → 20M64225-161#16245#16406
20M → 21M47304-257#16406#16663
21M → 35K41135-94#16663#16757
35K → 23M92166-74#16757#16831
23M → 24M49138-89#16831#16920
24M → 40K6989-20#16920#16940
40K → 25.2M3842-4#16940#16944
25.2M → Finish9243+49#16944#16895
TOTALS21181827+291
📊

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